Heads Up Display for Cars Windshield with MPH Speed,HUD Display Digital Speedometer for Car Used USB Plug,Universal GPS Speedometer for Car Accessories Fit for Cars SUVs Trucks （MP/H）

[GPS Satellite Speed Measurement] - This car speedometer is designed with a new GPS car speed model that collects car speed data from satellites, allowing you to accurately test your car's speed in real time, sensitive and accurate, the test is in M/PH. but please note that the car speed readings may have an error of 1%-5%.. [USB Port Connection] - Power the speedometer with your car's USB port or cigarette lighter adapter to use it, it is easy and simple to use and will not damage the hardware in your car during installation. The device turns on and off automatically when the car is turned on, making it seamlessly integrated into your daily commute.. [Minimalist Design] - The speedometer is ergonomically designed with a simple interface and large, clear fonts. Its compact body can be placed anywhere in the car without blocking the view, and the stylish black color with green fonts blends perfectly with any car interior, making it a convenient car head-up display.. [Wide Application] - This GPS speedometer is suitable for all kinds of vehicles, it is an essential car accessory for your car. With the HUD display, you no longer need to paste the projection film, and compared with the LED screen usually used in the market, it does not have ghosting and improves visibility.. [Note] - Easy to install, just connect the USB port to the car's power supply for seamless integration. Please keep in mind that it may take 10-30 seconds to acquire the initial GPS signal and is not recommended for use in underground, indoor or tunnel environments due to signal limitations.