Main Function: OBD+GPS 2 in 1 dual working system, which can work on all vehicles. 1. OBD mode information display: vehicle speed, clock,water temperature, Oil temperature, voltage, fuel consumption, RPM, Driving distance, , travel time, turbo pressure, acceleration test, brake test,Clear fault code. Alarm: Overspeed alarm, Speed alarm, High water temperature alarm, Low voltage alarm, Engine fault alarm, Clear fault code, Free switching between kilometer and miles, Celsius and Fahrenheit switch freely. 2. GPS mode information display: speed, clock, satellite time, altitude, number of satellites, driving direction,Driving time Alarm: Overspeed alarm, Low voltage alarm, Free switching between kilometer and miles. Product Features: 1: OBD + GPS dual system, can be suitable for all cars. 2: Two installation methods: A-pillar installation + center console installation. The first HUD on the market can be installed on the A-pillar trim. 3: The first HUD on the market with screen can rotate 270 degrees. 4: In the first HUD with small code table, the highest resolution reaches 240 * 240 5: Turbine pressure: PSI and KPA units switch freely. 6: Up to 10 Hz refresh rate without Screen lagging. 7: Under the OBD2 mode to show all data of OBD+GPS dual mode, no need to switch working system . Kindly Notice: Working voltage: 11~18VDC Need your car have the OBD2 socket OBD2 Applicable scope: OBD2 protocol gasoline car produced by the US after 2004, OBD2 agreement gasoline car produced in other regions after 2008 The OBD2 HUD is not applicable to the following common models: OBD2 models are not available in the US: Dodge, JEEP, Sail, Chrysler, models produced before 2004 and 2004 All French and Italian models of the OBD2 are not available: Fiat, Maserati, Lamborghini, DS, Logo, Citroen, Renault, Simka, Amirka, etc. OBD2 Japanese models are not available: Suzuki, Mazda 6, Infiniti (QX50 q50 q501), Toyota avanza in 2013, Lexus (is250, ex250, ES300H) Honda (jazz, CRV) and cars produced before 2008. South Korea's Kia and modern models do not use OBD models (2013 Hyundai Sonata, 2017 Kia Soul PS, etc.) Hybrids with diesel and electric vehicles, pickup trucks, RVs, modified car computers, and HUD are not used. GPS models are recommended. " Package Contents: 1 * HUD 1 * OBD cable 1 * instruction manual