VGEBY Multi-function Car 5.5" HUD Head Up Display Speeding Fuel Warning Windshield Projector System with OBD2 EUOBD Interface Vehicle Electronics

Easy to read: the multi-coloured design makes the 5.8 inch screen richer and easier to read. Overspeed alarm, including speed-easy alarm and four-degree alarm, improves traffic safety.
Suitable for: This HUD plug and play fits well on cars with OBD2/EUOBD port and has rich content including speed, engine speed, water temperature, voltage, span cost, error code engine, etc.
Three modes: HUD display OBD2 has three types of display: silent mode, high speed mode, automatic mode. You can also freely switch between kilometres and mile.
Automatic on and off: it automatically turns on and off when the vehicle has started and stopped. The adjustment of the manual change mode makes the HUD easier to control.
Function: the engine RPM alarm can improve the efficiency of petrol by changing the speed of the engine speed, which is particularly good for beginners. In this case, the luminance of the screen can be adjusted by automatic mode or manual mode.