1. HIGH TECHNOLOGY PROCESSING CHIPS: G17 head up display buildin GPSBeidou dualmode chips has powerful performance and compatibility, dualrunning memory and dualcore processor to ensure smooth highspeed operation, and core algorithms are used to add speed lubrication effects to make the display more coherent and smooth, effectively reduce the problem of data delay, realtime tracking of travelling speed, and provide data help for your car travelling life 2. MULTIFUNCTIONAL: GPS Speedometer system by receiving GPS signals to display the function, with a variety of rich display functions: speed KM/H, MPH, compass, driving time/altitude, overspeed alarm, number of satellites, fatigue driving alarm, travel angle, 100km acceleration and decorative atmosphere light. It can meet the basic needs of drivers and driving 3. HUD FITMENT: Digital gps speedometer is compatible with all vehicles such as trucks, golf carts, buses, bicycles, motorbikes etc.It has large HD screen with large fonts and highdefinition LED. Equipped with automatic photosensitive adjustment and light sensing system, which can automatically adjust the screen brightness according to the current light brightness, bringing a comfortable visual experience 4. NONDESTRUCTIVE INSTALLATION: Head up display is easy to install and plug and play. You just need to plug the USB cable into the cigarette lighter port, then connect the other end of the USB interface to the HUD and place the HUD in place.Tips: The working voltage is 5V.After the hud is powered on, the satellite icon flashes to indicate that it is in a search state. The GPS satellite icon stops flashing and displays the number of satellites before it can be used normally