High definition 2.2 inch screen, non-destructive installation, easy to operate, make driving safer HUD can display many parameters at the same time as follows, vehicle speed, engine speed, water temperature, voltage, fuel consumption, mileage, drive time, engine failure 7 different functions UI display are suitable for different driving status Multi color smart display, 8 colors can be shifted per your perference, bring more fun to your driving experience This HUD can scan the car computer and read the error diagnosis code, remove the error diagnosis code by one-click Wide compatibility: available for all cars with OBD2 port, plug and play The language can be switched: English, Chinese and Taiwan Multi function display mode or simple function display mode can be switched freely NOTE: 1. When purchasing HUD, you need to choose the type of vehicle that meets the OBD2 standards for normal use. Any US Vehicle 2004 or later will have an OBD2 port to use with the display. Outside the United States vehicle after 2008 will have an OBD2 port to use with the display. 2. OBD2 system HUD does NOT work for DODGE, Jeep, Sail, Chrysler, Mazda, Suzuki, France car, Italian car, some KIA and Hyundai, all American made before 2004 year, all regional gasoline-powered cars made before 2007 year with OBD2 protocol, gas-electric hybrids car, diesel-powered car, pickup truck, motor home, refitted vehicle. 3. Before purchase please open your car engine hood and find the sticker, if it has words like OBD II CERTIFIED, then it can be installed. Specification: Screen size: 2.2 inch Environment temperature: -40℃~ 80℃ Atmospheric pressure: 86 - 106KPa Working voltage: 9V ~ 16V DC (12V DC / 400mA) Relative humidity: 10% - 95% Alarm level: ≥30dB(A) HUD size: 2.87*2.68*1.81in / 7.3*6.8*4.6cm Product weight: 50g