E300 5.5 inch Car OBDII EUOBD HUD Vehicle-mounted Head Up Display Security System, Support Speed & Fuel Consumption, Overspeed Alarm, Fuel Consumption, Water Temperature, etc.(Black) 1. Plug and Play connectivity with any OBDII or EUOBD capable vehicle; 2. 2D visual effect 3. 5.5 inch screen 4. Multi colour design makes the screen easier to read highlight important details for quick viewing 5. The use of nanotechnology to eliminate unwanted reflections making the information easier to read; 6. Ability to display a huge range of car statistics including: speed, engine rotational speed, water temperature, battery voltage, instantaneous fuel consumption, average fuel consumption, local time, single driving time, mileage measurement, shift reminder, fatigued driver reminder, low voltage alarm, high temperature alarm, speed alarm, engine fault alarm, fault code elimination, ability to change units e.g. Kilometermile 7. Auto power on and off with the vehicle 8. Automatic and manual brightness adjustment mode