Qiilu A8 HUD Head Up Display Speedometer for Car with OBDII EUOBD, Vehicle Hud Overspeed Alarm Display KMH/MPH, 5.5 Inch Universal Digital Speedometer

5.5'' large screen and high-definition displayAutomatic and manual brightness adjustment mode, driving without glare.Wave button: Up button(turning the button to upside), OK button(pressing the button vertically), Down button(turning the button to downside).Multi-color design makes the screen more abundant and easier to read.Auto power on and off with vehicle started and shutdown, effective protection of the car battery, while retaining the manual switch mode, and more beneficial to control HUD.

5'' large screen and high-definition displayAutomatic and manual brightness adjustment mode, driving without glare.Wave button: Up button(turning the button to upside), OK button(pressing the button vertically), Down button(turning the button to downside).Multi-color design makes the screen more abundant and easier to read.Auto power on and off with vehicle started and shutdown, effective protection of the car battery, while retaining the manual switch mode, and more beneficial to control HUD.

Display Rich Content SpeedEngine SpeedSpeed AlarmBattery VoltageShift RemindingLow Voltage AlarmEngine Fault AlarmWater TemperatureFault Code EliminationMileage MeasurementHigh Temperature AlarmAverage Fuel ConsumptionFatigue Driving RemindingInstantaneous Fuel ConsumptionFree Switching Between Kilometer And Mile