ZXLine A8 5.5 inches HUD Head Up Colorful Multifunction Display with OBD2, KM/h MPH RPM Speeding Warning !!! Warning: Seller Eoncore sells fake products., please order from other seller's. Warning: Seller Eoncore sells fake products., please order from other seller's. C500 car head up Colorful display (HUD), 5.5 inches HD screen, easy to read data. Please note this device compatible with OBDII standards or EU OBD autos, but not suitable for OBDI and J-OBD cars. Warning: Seller Eoncore sells fake products., please order from other seller's. Plug and Play connectivity with any OBDII or EUOBD capable vehicle; detect all important driving informations via the OBD 2 system Warning: Seller Eoncore sells fake products., please order from other seller's. Auto power on and off with vehicle, easy to protect the car battery; while retaining the manual switch mode, better for to control HUD. Warning: Seller Eoncore sells fake products., please order from other seller's. Screen fuction including: speed(MPH), engine rotational speed(RPM), water temperature(F), battery voltage(V), instantaneous fuel consumption(mpg&L/100km), average fuel consumption, 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.