A9 5.5 Inch Car HUD OBD OBD2 Head Up Display Digital Speedometer Windshield Projector Fatigue Alarm Fuel Speed Gauge

A9 5 5 Inch Car HUD OBD OBD2 Head Up Display Digital Speedometer Windshield Projector Fatigue Alarm Fuel Speed Gauge Descriptions Model A9Color BlackMaterial PlasticScreen Size 5 5 inch HD displayEnvironment temperature 40c 1200catmospheric pressure 86 106KPaRelative Humidity 10 95 environmental noise 60dB A Alarm sound level 30dB A Working voltage 11V 18Vdc 12Vdc 400mA Display way Virtual image reflectionDisplay screen LED Display Main FunctionsFeatures 1 Available for cars with OBD2 and EUOBD port Car automatic diagnosis system plug and play3 Multi color design makes the screen more abundant and easier to read4 Nano technology to eliminate double reflections more clear 5 New function Driving distance measurement6 Rich Contents speed RPM water temperature voltage instantaneous fuel consumption average fuel consumption driving distance measurement voltage turn reminders fatigue driving reminders low voltage alarm high water temperature alarm over speed alarm engine failure alarm eliminate the fault code freely switch between kilometersmiles 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 glareDisplay Function 1 Decorative light2 Engine RPM3 Speed4 Speed unit KM H MPH 5 Multi functional area 1 Engine RPM voltage Clock single d