Features 1、With multiple functions, it can display speed, rotation speed, water tank temperature, voltage, and clear faults. 2、With overspeed alarm, voltage alarm, water temperature alarm, fatigue driving reminder, fault alarm. 3、Multiple operation interface modes can be switched freely to meet different needs and bring you more convenience. 4、Wide range of applications, suitable for vehicles that complied with OBDII standards, which has strong practicality. 5、Observing the data on the front window glass of the car, no need to down head, insure the safety and help the driver maintain the best condition during driving. Specification Item Type: HUD Material: PC+ABS Compatible: Vehicles complying with OBDII standards Function: Speed, tachometer, water tank, water temperature, voltage, clear fault Alarm: Overspeed alarm, voltage alarm, water temperature alarm, fatigue driving reminder, fault alarm Instructions: Just connect the head-up display (HUD) with the on-board diagnostic interface (OBD) through the OBD cable, and the head-up display (HUD) will display when the car engine starts Size: Approx. 26 x 50 x 90mm/1 x 2 x 3.5in Package List 1 x Host 1 x OBD Cable 1 x Anti Slip Mat 1 x Reflective Film 1 x Manual