Digital Gps Speedometer Display ACECAR GPS speedometer displays the most important mph and direction of driving at the same time. 6 display colors, you can switch to your favorite color and interface, technology is full of sense, bring more safety and fun for your driving. It allows you to focus on the road and avoid the dangerous action of looking down at the meter to ensure driving safety RealTime Gps Tracking Utilizing advanced GPS technology, the speedometer delivers accurate speed readings in MPH, ensuring youre always aware of your velocity on the road. Say goodbye to the distraction of looking down at the dashboard and experience unparalleled driving convenience With Compass Equipped with a car compass, this speedometer provides realtime directional guidance, enhancing your driving experience whether youre navigating city streets or exploring off the beaten path 2 Big Alarm Functions This gps speedometer has 2 very important alarm functions speeding alarm and fatigue driving reminder. For the speeding alarm, you can set the alarm value default is 120KMH to avoid speeding causing a car accident, and also helps to prevent speeding fines, making it a useful addition to your cars dashboard. Fatigue Driving Alert will beep when you have been driving for more than 4 hours continuously to remind you to take a break and improve driving safety Universal Compatibility Unlike other car headup displays, this HUD is GPSBeiDou dualmode chip, so you dont need to worry about compatibility issues and latency problems. This GPS Speedometer is suitable for all vehicles, making it an ideal choice for anyone looking to upgrade their cars dashboard with a reliable headsup display Plug and Play Easy and convenient installation, plug and play, just connect the USB cable to the USB port or the cigarette lighter car charger port, no tools are needed to install it in 1 minute. It only needs to have a USB port with 5V power supply, and any compatible models can be easily installed Automatic Adjustment Of Brightness This gps speedometer has an automatic light sensitive adjustment function, the builtin light sensor can sense the brightness of the external environment and adjust the brightness automatically. No matter day or night you can clearly see the data displayed on the screen, providing a safer day and night driving experience Gift Ideas This gps speedometer is equipped with a highperformance processing chip, powerful performance and compatibility, dual running memory and dualcore processor, to ensure highspeed and smooth operation, can realtime display of the data required for driving, the display is coherent and smooth, no lag. It is the best gift for your friends and family, they will love it