OBD2 HUD Car Head Up Display A8 HUD Digital Speedometer Windshield Speed Projector Display With Speeding Water Temp RPM Alarm A8 Head-up display : HUD short for Head Up Display.It displays driving data on the car windshield such as speed,RPM,water temperature,voltage,single mileage etc;avoiding drivers unsafely because of watching the instrument while driving.Drivers can read the driving information instantly, and always keep the best state on the way with HUD. Product Information: -Light sensor:Automatically modify the brightne according to the environment-Rotational speed(RPM): the rotational speed of the engine.-Alarm icon panel: From left to rightShift reminder, over speed alarm, engine fault, fatigued driver reminder, buzzer.-Speed: Driving speed-Rotational speed units: the units of rotational speed-Unit mark: KM/H= Kilometers/hour, MPH= Miles/hour, RPM=rotations per minute-Water temperature:Display the car's tank temperature-Secondary Alarm icon panel: From left to rightHigh water temperature temperature alarm, battery voltage alarm, over-speed alarm-Unit mark: Degrees (Celsius or Fahrenheit F), KM = Kilometers,V = Voltage, M = Miles-Multi function display: Voltage, Mileage, Water temperature.-Fuel consumption unit :L/100km = Liter/100 kilometers, L/H = Liter/hour-Fuel consumption datas-Fuel consumption icon Package Include: 1 x Head Up Display1 x OBD cable1 x instruction manual Notes OBD2 model can work for OBD2 gasoline vehicles produced after 2004 in USA, and OBD2 gasoline vehicles produced after 2008 in other countries. About FQA Q:Are the product photos real?A:Yes,All the photos displayed are 100% real.and photos are all taken by ourself.But maybe there are some color shading because of monitors.Q:How do I pay for my purchase?A:we accept the following payment methods: