In today’s fast-paced world, keeping tabs on your vehicle has become more important than ever. With the rise of car theft and unauthorized use, it’s crucial to have a reliable way to monitor your vehicle’s location and activity. This is where GPS tracking devices come into play, providing vehicle owners with peace of mind and an added layer of security. Whether you’re a concerned parent, a business owner with a fleet of vehicles, or simply a car enthusiast, having the right tracking device can make all the difference.
When it comes to choosing the right tracking device for your needs, the options can be overwhelming. With so many different models and brands available on the market, it can be difficult to know where to start. That’s why we’ve put together this comprehensive guide to help you find the best auto trackers for your vehicle. From basic GPS tracking to advanced features like real-time monitoring and alerts, we’ll cover everything you need to know to make an informed decision. By the end of this guide, you’ll be equipped with the knowledge to choose the perfect tracking device for your needs, and enjoy the benefits of increased security, convenience, and peace of mind.
Before we get to our review of the best auto trackers, let’s browse through some relevant products on Amazon:
No products found.
Introduction to Auto Trackers
Auto trackers are devices or software applications that enable users to monitor and track the location, movement, and other parameters of vehicles in real-time. These trackers utilize a combination of GPS, cellular networks, and other technologies to provide accurate and up-to-date information about the vehicle’s status. With the increasing demand for vehicle tracking and management, auto trackers have become an essential tool for individuals, businesses, and organizations.
The primary function of auto trackers is to provide real-time location tracking, allowing users to monitor the vehicle’s movement, speed, and direction. This information can be accessed remotely through a web-based platform, mobile app, or dedicated software. Auto trackers also offer additional features such as geofencing, alerts, and reporting, which enable users to set boundaries, receive notifications, and generate detailed reports about the vehicle’s activity.
In addition to location tracking, auto trackers can also monitor other vehicle parameters such as fuel consumption, engine performance, and driver behavior. This data can be used to optimize vehicle maintenance, improve driver safety, and reduce operating costs. Furthermore, auto trackers can help prevent vehicle theft, aid in recovery, and provide valuable evidence in case of accidents or disputes.
When selecting the best auto trackers for their needs, users should consider factors such as accuracy, reliability, ease of use, and compatibility. By choosing the right auto tracker, individuals and organizations can enjoy improved vehicle management, enhanced safety, and increased productivity. With the wide range of options available, it is essential to research and compare different models to find the best auto trackers that meet specific requirements and budgets, ensuring a reliable and efficient vehicle tracking solution.
Best Auto Trackers – Reviews
Garmin GPSMAP 64ST-001
The Garmin GPSMAP 64ST-001 is a high-end auto tracker that offers advanced navigation features and accurate tracking capabilities. With its large 2.6-inch color display, users can easily view maps, tracks, and other important information while on the go. The device also comes with a built-in 3-axis compass, barometric altimeter, and wireless connectivity options, making it a versatile tool for both driving and outdoor activities.
One of the standout features of the Garmin GPSMAP 64ST-001 is its ability to provide turn-by-turn directions and voice prompts, allowing drivers to stay focused on the road while navigating through unfamiliar areas. Additionally, the device supports a wide range of mapping formats, including Garmin’s own proprietary maps, as well as third-party options like OpenStreetMap. Overall, the Garmin GPSMAP 64ST-001 is a powerful and feature-rich auto tracker that is well-suited for drivers who need a reliable and accurate navigation system.
TomTom GO 5200-002
The TomTom GO 5200-002 is a premium auto tracker that offers a range of advanced features, including real-time traffic updates, voice commands, and a large 5-inch touchscreen display. With its built-in Wi-Fi connectivity, users can easily update maps and software, ensuring that they always have access to the latest information and features. The device also comes with a range of safety features, including lane departure warnings and speed camera alerts.
One of the key benefits of the TomTom GO 5200-002 is its ability to provide accurate and up-to-date traffic information, allowing drivers to avoid congested areas and reduce their commute time. Additionally, the device supports a range of voice commands, making it easy to navigate and control the device while driving. Overall, the TomTom GO 5200-002 is a high-quality auto tracker that is well-suited for drivers who need a reliable and feature-rich navigation system.
Magellan RoadMate 9612T-LM-003
The Magellan RoadMate 9612T-LM-003 is a feature-rich auto tracker that offers a range of advanced navigation features, including real-time traffic updates, voice commands, and a large 7-inch touchscreen display. With its built-in Bluetooth connectivity, users can easily connect their smartphone and access a range of features, including hands-free calling and music streaming. The device also comes with a range of safety features, including lane departure warnings and speed camera alerts.
One of the standout features of the Magellan RoadMate 9612T-LM-003 is its ability to provide accurate and up-to-date traffic information, allowing drivers to avoid congested areas and reduce their commute time. Additionally, the device supports a range of voice commands, making it easy to navigate and control the device while driving. Overall, the Magellan RoadMate 9612T-LM-003 is a high-quality auto tracker that is well-suited for drivers who need a reliable and feature-rich navigation system.
Garmin Nuvi 2797LMT-004
The Garmin Nuvi 2797LMT-004 is a high-end auto tracker that offers advanced navigation features and accurate tracking capabilities. With its large 7-inch touchscreen display, users can easily view maps, tracks, and other important information while on the go. The device also comes with a range of safety features, including lane departure warnings and speed camera alerts, as well as built-in Bluetooth connectivity for hands-free calling and music streaming.
One of the key benefits of the Garmin Nuvi 2797LMT-004 is its ability to provide accurate and up-to-date traffic information, allowing drivers to avoid congested areas and reduce their commute time. Additionally, the device supports a range of voice commands, making it easy to navigate and control the device while driving. Overall, the Garmin Nuvi 2797LMT-004 is a powerful and feature-rich auto tracker that is well-suited for drivers who need a reliable and accurate navigation system.
Rand McNally OverDryve 7-005
The Rand McNally OverDryve 7-005 is a premium auto tracker that offers a range of advanced features, including real-time traffic updates, voice commands, and a large 7-inch touchscreen display. With its built-in Wi-Fi connectivity, users can easily update maps and software, ensuring that they always have access to the latest information and features. The device also comes with a range of safety features, including lane departure warnings and speed camera alerts, as well as built-in Bluetooth connectivity for hands-free calling and music streaming.
One of the standout features of the Rand McNally OverDryve 7-005 is its ability to provide accurate and up-to-date traffic information, allowing drivers to avoid congested areas and reduce their commute time. Additionally, the device supports a range of voice commands, making it easy to navigate and control the device while driving. Overall, the Rand McNally OverDryve 7-005 is a high-quality auto tracker that is well-suited for drivers who need a reliable and feature-rich navigation system.
Why People Need to Invest in Auto Trackers
The rise of auto trackers has been significant in recent years, and it’s not hard to see why. With the increasing number of vehicles on the road, the risk of theft, accidents, and other unforeseen circumstances has also risen. As a result, people are looking for ways to protect their vehicles and ensure their safety. One of the most effective ways to do this is by investing in an auto tracker. These devices allow vehicle owners to keep track of their car’s location, speed, and other vital information in real-time.
Auto trackers are especially useful for people who own expensive or high-performance vehicles. These cars are often targeted by thieves, and the owners may not even realize their vehicle has been stolen until it’s too late. With an auto tracker, however, the owner can receive instant notifications if their car is moved or if someone tries to hotwire it. This allows them to take immediate action and recover their vehicle quickly. Additionally, auto trackers can also help owners to monitor their car’s performance, identify potential issues, and schedule maintenance accordingly.
For businesses that rely on a fleet of vehicles, auto trackers are a must-have. They enable managers to monitor the location and activity of their vehicles in real-time, which helps to improve logistics, reduce fuel consumption, and enhance customer service. By investing in the best auto trackers, businesses can optimize their operations, reduce costs, and increase productivity. Moreover, auto trackers can also help to prevent unauthorized use of company vehicles, which can lead to significant financial losses.
In conclusion, auto trackers have become an essential tool for vehicle owners who want to protect their cars and ensure their safety. With the ability to track a car’s location, speed, and other vital information in real-time, auto trackers provide peace of mind and help to prevent theft, accidents, and other unforeseen circumstances. Whether you own a personal vehicle or manage a fleet of cars, investing in an auto tracker is a wise decision that can have long-term benefits. By doing so, you can enjoy greater security, improved performance, and enhanced convenience, which can make a significant difference in your daily life.
Types of Auto Trackers
Auto trackers can be broadly classified into two categories: GPS-based trackers and non-GPS based trackers. GPS-based trackers use satellite signals to determine the location of the vehicle, while non-GPS based trackers use cellular networks or other technologies to track the vehicle’s location. GPS-based trackers are generally more accurate and reliable, but they may not work well in areas with limited satellite coverage. Non-GPS based trackers, on the other hand, may not be as accurate, but they can work in areas with limited satellite coverage.
The choice of auto tracker type depends on the specific needs and requirements of the user. For example, if the user needs to track a vehicle in a remote area with limited satellite coverage, a non-GPS based tracker may be a better option. On the other hand, if the user needs to track a vehicle in an urban area with good satellite coverage, a GPS-based tracker may be a better option. It’s also important to consider the cost and features of the tracker, as well as the user’s technical expertise and comfort level with the device.
In addition to GPS-based and non-GPS based trackers, there are also other types of auto trackers available, such as OBD-II trackers and hardwired trackers. OBD-II trackers plug into the vehicle’s OBD-II port and use the vehicle’s onboard computer to track the vehicle’s location and other data. Hardwired trackers, on the other hand, are installed directly into the vehicle’s wiring system and can provide more detailed information about the vehicle’s performance and behavior.
Overall, the type of auto tracker that is best for a particular user will depend on their specific needs and requirements. It’s a good idea to do some research and compare different types of trackers before making a decision. It’s also important to consider the user’s budget and technical expertise, as well as the features and capabilities of the tracker.
Benefits of Using Auto Trackers
Auto trackers can provide a number of benefits to users, including improved safety and security, increased productivity, and better vehicle management. For example, auto trackers can help users to locate their vehicle if it is stolen, and can also provide real-time updates on the vehicle’s location and status. This can be especially useful for businesses that rely on vehicles, such as delivery companies or taxi services.
In addition to improved safety and security, auto trackers can also help users to improve their productivity and efficiency. For example, auto trackers can provide detailed information about the vehicle’s route and performance, which can help users to optimize their routes and reduce fuel consumption. Auto trackers can also provide alerts and notifications if the vehicle is being used improperly, such as if it is being driven recklessly or if it is being used outside of authorized hours.
Auto trackers can also provide a number of benefits to parents and caregivers, such as the ability to track the location and activity of teenage drivers or elderly individuals. This can provide peace of mind and help to ensure that loved ones are safe and secure. Additionally, auto trackers can provide detailed information about the vehicle’s maintenance and performance, which can help users to identify potential problems and stay on top of routine maintenance.
Overall, the benefits of using auto trackers are numerous and can vary depending on the specific needs and requirements of the user. Whether you are a business owner, a parent, or simply a concerned driver, auto trackers can provide a number of benefits and advantages that can help to improve safety, productivity, and overall vehicle management.
How Auto Trackers Work
Auto trackers use a combination of GPS technology, cellular networks, and onboard sensors to track the location and activity of a vehicle. The tracker is typically installed in the vehicle and uses GPS signals to determine its location, which is then transmitted to a server or cloud-based platform. The user can then access the location and activity data through a website or mobile app, and can receive real-time updates and alerts.
The tracker also uses onboard sensors to collect data about the vehicle’s performance and behavior, such as speed, acceleration, and fuel consumption. This data can be used to provide detailed information about the vehicle’s activity and performance, and can help users to identify potential problems and stay on top of routine maintenance. Some auto trackers also use cellular networks to provide real-time updates and alerts, and can be programmed to send notifications if the vehicle is being used improperly.
In addition to GPS and cellular technology, some auto trackers also use other technologies, such as GLONASS or Wi-Fi, to provide more accurate and reliable location data. The tracker may also use advanced algorithms and analytics to provide detailed information about the vehicle’s activity and performance, and to identify potential problems and trends. Overall, the technology used in auto trackers is highly advanced and can provide a number of benefits and advantages to users.
The installation and setup of auto trackers can vary depending on the specific device and system being used. Some trackers are simple to install and can be plugged into the vehicle’s OBD-II port, while others may require more complex installation and setup. It’s a good idea to follow the manufacturer’s instructions and to seek professional help if needed. Additionally, it’s important to ensure that the tracker is compatible with the vehicle and that it is properly configured and calibrated.
Future of Auto Trackers
The future of auto trackers is likely to be shaped by advances in technology and changes in the automotive industry. One trend that is likely to have a major impact on the auto tracker market is the increasing use of connected and autonomous vehicles. As vehicles become more connected and autonomous, there will be a growing need for advanced tracking and monitoring systems that can provide real-time data and insights.
Another trend that is likely to shape the future of auto trackers is the increasing use of artificial intelligence and machine learning. AI and machine learning can be used to analyze data from auto trackers and provide detailed insights and predictions about vehicle behavior and performance. This can help users to optimize their routes and reduce fuel consumption, and can also help to identify potential problems and stay on top of routine maintenance.
The use of 5G networks and other advanced cellular technologies is also likely to have a major impact on the auto tracker market. 5G networks will provide faster and more reliable data transmission, which will enable auto trackers to provide real-time updates and alerts. This will be especially useful for applications such as fleet management and logistics, where real-time data and insights are critical.
Overall, the future of auto trackers is likely to be shaped by a combination of technological, economic, and social factors. As the automotive industry continues to evolve and change, there will be a growing need for advanced tracking and monitoring systems that can provide real-time data and insights. Whether you are a business owner, a parent, or simply a concerned driver, auto trackers are likely to play an increasingly important role in the years to come.
Comprehensive Buying Guide for Auto Trackers
When it comes to keeping track of your vehicle’s location, speed, and other vital statistics, an auto tracker is an essential device. With so many options available in the market, choosing the right one can be a daunting task. In this buying guide, we will discuss the key factors to consider when buying an auto tracker, helping you make an informed decision.
Accuracy and Reliability
The accuracy and reliability of an auto tracker are crucial factors to consider. A good auto tracker should be able to provide precise location information, even in areas with weak GPS signals. Look for devices that use advanced GPS technology, such as GLONASS or Galileo, which offer better accuracy and reliability. Additionally, consider devices that have a high sensitivity GPS receiver, which can provide better performance in urban canyons or under heavy tree cover.
The accuracy and reliability of an auto tracker can be affected by various factors, including the quality of the device, the strength of the GPS signal, and the presence of interference from other devices. To ensure that you get a device that meets your needs, look for reviews and ratings from other users, and check the manufacturer’s specifications to see what kind of accuracy and reliability you can expect. It’s also a good idea to check the device’s performance in different environments, such as urban and rural areas, to see how it performs in real-world conditions.
Battery Life and Powering Options
The battery life and powering options of an auto tracker are important considerations, especially if you plan to use the device for extended periods. Look for devices that have a long battery life, such as several weeks or even months, and consider devices that have a low power mode to conserve battery life. Additionally, consider devices that have multiple powering options, such as USB charging, battery packs, or even solar charging.
The battery life and powering options of an auto tracker can vary widely depending on the device and the manufacturer. Some devices may have a short battery life, requiring frequent recharging, while others may have a long battery life, allowing you to use the device for extended periods without needing to recharge. Consider your needs and usage patterns when evaluating the battery life and powering options of an auto tracker. If you plan to use the device for short periods, a device with a short battery life may be sufficient, but if you plan to use the device for extended periods, look for a device with a longer battery life.
Size and Durability
The size and durability of an auto tracker are important considerations, especially if you plan to use the device in harsh environments. Look for devices that are compact and lightweight, making them easy to install and conceal. Additionally, consider devices that are waterproof and dustproof, and have a rugged design that can withstand rough handling and extreme temperatures.
The size and durability of an auto tracker can affect its performance and longevity. A device that is too large or bulky may be difficult to install or conceal, while a device that is too small or fragile may be prone to damage or malfunction. Consider the environment in which you plan to use the device, and look for a device that is designed to withstand those conditions. For example, if you plan to use the device in a harsh outdoor environment, look for a device that is waterproof and dustproof, and has a rugged design that can withstand extreme temperatures and rough handling.
Features and Functionality
The features and functionality of an auto tracker are important considerations, as they can affect the device’s performance and usefulness. Look for devices that have a range of features, such as GPS tracking, speed tracking, and geofencing, and consider devices that have advanced features, such as accident detection and driver behavior monitoring. Additionally, consider devices that have a user-friendly interface, making it easy to configure and monitor the device.
The features and functionality of an auto tracker can vary widely depending on the device and the manufacturer. Some devices may have a limited range of features, while others may have a wide range of advanced features. Consider your needs and usage patterns when evaluating the features and functionality of an auto tracker. If you’re looking for a simple device that provides basic GPS tracking, a device with limited features may be sufficient, but if you’re looking for a device that provides advanced features and functionality, look for a device that has a wide range of features and a user-friendly interface. When looking for the best auto trackers, consider devices that have a range of features and functionality, and are designed to meet your specific needs.
Cost and Subscription Plans
The cost and subscription plans of an auto tracker are important considerations, as they can affect the device’s overall cost and value. Look for devices that have a low upfront cost, and consider devices that have flexible subscription plans, such as monthly or annual plans. Additionally, consider devices that have a range of pricing options, such as basic and premium plans, and look for devices that offer discounts for long-term commitments.
The cost and subscription plans of an auto tracker can vary widely depending on the device and the manufacturer. Some devices may have a high upfront cost, while others may have a low upfront cost but high subscription fees. Consider your budget and usage patterns when evaluating the cost and subscription plans of an auto tracker. If you’re looking for a device that provides basic GPS tracking, a device with a low upfront cost and basic subscription plan may be sufficient, but if you’re looking for a device that provides advanced features and functionality, look for a device that has a premium subscription plan and offers discounts for long-term commitments.
Customer Support and Warranty
The customer support and warranty of an auto tracker are important considerations, as they can affect the device’s overall value and reliability. Look for devices that have a comprehensive warranty, such as a 1-year or 2-year warranty, and consider devices that have a range of customer support options, such as phone, email, and online support. Additionally, consider devices that have a reputation for providing excellent customer support, and look for devices that have a high rating from other users.
The customer support and warranty of an auto tracker can vary widely depending on the device and the manufacturer. Some devices may have a limited warranty, while others may have a comprehensive warranty that covers repairs and replacements. Consider your needs and usage patterns when evaluating the customer support and warranty of an auto tracker. If you’re looking for a device that provides basic GPS tracking, a device with a limited warranty and basic customer support may be sufficient, but if you’re looking for a device that provides advanced features and functionality, look for a device that has a comprehensive warranty and excellent customer support. Look for devices that have a reputation for providing excellent customer support, and check the manufacturer’s website for information on their warranty and customer support policies.
Frequently Asked Questions
What are auto trackers and how do they work?
Auto trackers are devices that use GPS technology to track the location of a vehicle in real-time. They are usually small devices that can be installed in a vehicle, and they use cellular networks to transmit location data to a server or a mobile app. This allows vehicle owners to track the location of their vehicle, as well as other information such as speed, direction, and fuel consumption.
The data transmitted by auto trackers can be accessed through a web-based platform or a mobile app, allowing vehicle owners to monitor their vehicle’s location and activity remotely. Some auto trackers also have additional features such as geofencing, which allows vehicle owners to set boundaries and receive alerts when their vehicle enters or leaves a certain area. Overall, auto trackers provide a convenient and effective way to track and monitor vehicle activity, and they can be useful for a variety of applications, including fleet management, vehicle recovery, and personal tracking.
What are the benefits of using an auto tracker?
The benefits of using an auto tracker include increased security, improved fleet management, and enhanced vehicle recovery. Auto trackers can help to deter theft and recover stolen vehicles, as they provide real-time location data that can be used to track a vehicle’s movement. They can also help to improve fleet management by providing insights into vehicle activity, such as location, speed, and fuel consumption. This can help businesses to optimize their fleet operations, reduce fuel consumption, and improve customer service.
In addition to these benefits, auto trackers can also provide peace of mind for vehicle owners. They can be used to track the location of a vehicle in real-time, which can be useful for parents who want to monitor their teenager’s driving habits, or for businesses that want to keep track of their company vehicles. Some auto trackers also have additional features such as crash detection and emergency response, which can provide an added layer of safety and security. Overall, the benefits of using an auto tracker make them a valuable investment for anyone who wants to track and monitor their vehicle’s activity.
What types of auto trackers are available?
There are several types of auto trackers available, including GPS trackers, OBD trackers, and wireless trackers. GPS trackers use satellite technology to track a vehicle’s location, while OBD trackers plug into a vehicle’s onboard diagnostics port to track location, speed, and other vehicle data. Wireless trackers use cellular networks to transmit location data, and they can be installed in a variety of locations, such as under the dashboard or in the trunk.
The type of auto tracker that is best for a particular vehicle or application will depend on a number of factors, including the vehicle’s make and model, the desired level of accuracy, and the budget. Some auto trackers are designed for personal use, while others are designed for commercial fleets. There are also auto trackers that are specifically designed for certain types of vehicles, such as motorcycles or RVs. By considering these factors, vehicle owners can choose the best auto tracker for their needs and budget.
How do I choose the best auto tracker for my vehicle?
To choose the best auto tracker for your vehicle, you should consider a number of factors, including the device’s accuracy, reliability, and ease of use. You should also consider the cost of the device, as well as any ongoing subscription fees. Some auto trackers require a monthly or annual subscription to access the device’s data, while others offer a one-time payment option. You should also consider the device’s battery life, as well as its durability and water resistance.
In addition to these factors, you should also consider the device’s features and functionality. Some auto trackers have additional features such as geofencing, crash detection, and emergency response, while others have more basic features such as location tracking and speed monitoring. You should also consider the device’s compatibility with your vehicle, as well as its ease of installation. By considering these factors, you can choose the best auto tracker for your vehicle and your needs.
Can I use an auto tracker to monitor my teenager’s driving habits?
Yes, you can use an auto tracker to monitor your teenager’s driving habits. Many auto trackers have features such as speed monitoring, location tracking, and geofencing, which can help you to monitor your teenager’s driving behavior. You can set boundaries and receive alerts when your teenager exceeds a certain speed or enters a certain area. You can also use the device’s location tracking feature to monitor your teenager’s whereabouts and ensure that they are driving safely.
Some auto trackers also have additional features such as driver scoring, which can provide insights into your teenager’s driving habits and help them to improve their driving skills. You can also use the device’s data to have conversations with your teenager about their driving behavior and help them to develop safe driving habits. By using an auto tracker to monitor your teenager’s driving habits, you can help to keep them safe on the road and provide peace of mind for yourself.
Are auto trackers legal to use?
The legality of using an auto tracker depends on the laws of your state or country. In general, it is legal to use an auto tracker to track a vehicle that you own or have permission to track. However, it is important to check the laws in your area before using an auto tracker, as some states have laws that prohibit the use of tracking devices without the consent of the vehicle’s owner or driver.
It is also important to use an auto tracker in a way that is respectful of the privacy and rights of others. For example, you should not use an auto tracker to track a vehicle without the consent of the vehicle’s owner or driver, unless you have a legitimate reason for doing so, such as tracking a company vehicle or monitoring a teenager’s driving habits. By using an auto tracker in a responsible and legal manner, you can help to ensure that you are using the device in a way that is safe and respectful of others.
How much do auto trackers cost?
The cost of an auto tracker can vary depending on the device’s features, accuracy, and subscription fees. Some basic auto trackers can cost as little as $50-$100, while more advanced devices can cost $200-$500 or more. Some auto trackers also require a monthly or annual subscription to access the device’s data, which can range from $10-$50 per month.
In addition to the upfront cost of the device, you should also consider the ongoing costs of using an auto tracker. Some devices may require a subscription to access the device’s data, while others may have additional fees for features such as geofencing or crash detection. By considering these costs, you can choose an auto tracker that fits your budget and meets your needs. It’s also important to consider the long-term benefits of using an auto tracker, such as increased security and improved fleet management, which can help to offset the cost of the device.
Final Thoughts
In today’s fast-paced world, having a reliable means of monitoring and managing vehicle movement is crucial for both personal and professional purposes. The best auto trackers have revolutionized the way we keep tabs on our cars, trucks, and other vehicles, providing real-time updates, location history, and alerts that enhance safety and security. By investing in a high-quality auto tracker, individuals can enjoy peace of mind, whether they are tracking a personal vehicle or an entire fleet of commercial vehicles.
When selecting the ideal device for your needs, it is essential to consider factors such as accuracy, durability, and user-friendliness. With so many options available on the market, choosing the best auto trackers can be a daunting task. However, by doing thorough research and reading reviews from reputable sources, you can make an informed decision that meets your specific requirements. By opting for a top-notch auto tracker, you can experience the numerous benefits that come with having a reliable and efficient means of vehicle tracking, and take your vehicle management to the next level with the best auto trackers.