A8 5.5 inch OBD II Car HUD Head Up Display Windscreen Projector
1. Plug and play, HUD can automatically adapt to vehicle type with OBDII.
2. Overspeed reminder, the icon of overspeed will flicker and alarm when the vehicle exceeds the speed limit set
3. Fatigue driving alarm, after driving for 4 hours, the fatigue driving indicator light will flash to remind the driver to have a rest.
4. Automatic adjustment of luminance, brightness can be changed with change in outside brightness
5. Multi-functional display: RPM, water temperature, battery voltage, and fuel consumption.
6. Real-time one hundred kilometer / instantaneous fuel consumption
7. Engine speed alarm