Features: 2D Vision reflection display make your view more comfortable, more real 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. Kilometre/mile Plug and Play connectivity with any OBDII or EUOBD capable vehicle Multi colour design makes the screen easier to read highlight important details for quick viewing, the use of nanotechnology to eliminate unwanted reflections making the information easier to read Auto power on and off with the vehicle, automatic and manual brightness adjustment mode Specifications: Working voltage:DC9-16V Working current:40mA sleeping current:15mA Compass precision:+-1 degree Speed range:0-400KM Real time precision:The same as satellite Satellite positioning time:Cold start: 30s, hot start: 1s Cable Length: Approx.1m Size: Approx. 125*75*15cm Weight:280g key word:head up display,speed warning projector,car,vehicle,fuel consumption