TOTMOX HUD Head up Display - OBDII Universal Over Speed Alarm

Plug and Play HUD can auto adapt to vehicle type which in line with OBD2 or EUOBDOnBoard Diagnostic System Comprehensive Display Vehicle speed engine speed water tempeure fuel consumption mileage low fuel tips engine failure Flexible Alarm Mode HUD can offer singlestage and fourstage overspeed alarm modes to choose to make driving saferEngine Speed Alarm It contributes to shift gear in time to save fuel also has significance to new driver Automatic Power ONOFF Starting and stopping with vehicle starting and stopping Moreover it is also designed with hand switch function Freely Switch The car head up display supports Km and mile switched freely so as to meet the needs of inch auto meterDriving Information Display Mode Driver can chose normal display mode high speed display mode or automatic display mode