Description Features: 1. Available for cars with OBD2 and EUOBD port(Car automatic diagnosis system) ,plug and play 2. TFT LCD multi color smart display 3. The first scan will show the vehicle protocol 4. The language can be changed 5. Multi function display mode or simple function display mode can be switched freely 6. Add new functions: accelerating competitive mode ,Brake performance test, can read the entire car data stream information 7. Rich Contents:vehicle speed,engine RPM,water temperature,voltage,instantaneous fuel consumption,average fuel consumption,driving distance measurement,driving time ,low voltage alarm,high water temperature alarm,over speed alarm, engine fault code alarm, eliminate the fault code,freely switch between kilometersmiles. Technical Parameters: Environment temperature: -40 + 80 degree atmospheric pressure 86-106KPa Relative Humidity: 10% -95% environmental noise: 60dB (A) Alarm sound level: 30dB (A) Working voltage: 9V ~ 16Vdc (12Vdc / 400mA) Product size: 73 x 68 x 46(cm)includes:1 x HUD Car Head Up Display 1 x Anti Slip Pad 1 x OBD Cable 1 x User Manual