GEYIREN M9 HUD Display Car OBD2 EUOBD Car Driving Data Display Speed RPM Fuel Consumption

GEYIREN M9 HUD Display Car OBD2 EUOBD Car Driving Data Display Speed RPM Fuel ConsumptionFeature:1.Available for cars with OBD2 and EUOBD port(Car automatic diagnosis system) ,plug and play.2. Screen 5.5 inch HD display.3.Multi-color design makes the screen more abundant and easier to read.4. Nano-technology to eliminate double reflections,more clear.5. New function: Driving distance measurement.6.Rich Contents: speed,rpm,water temperature, voltage, instantaneous fuel consumption, average fuel consumption,driving distance measurement,voltage, shift reminders,fatigue driving reminders,low voltage alarm,high water temperature alarm,over speed alarm, engine failure alarm, eliminatethe fault code, freely switch between kilometers&miles.7. Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery; retaining the manual switch mode,more easy to control HUD.8. Automatic and manual brightness adjustment mode, driving without glare.Specification: Environment temperature -40c- + 80c atmospheric pressure 86-106KPa Relative humidity 10% -95% environmental noise