WYOBD P17 Newest Head-Up Display OBD2+GPS Smart Car On-board Computer Display Turbo Pressure Meter Water&Oil Temp GaugeP17 HUD Head-p Display Display vehicle data OBD2+GPS dual system Overspeed alarm Water tank temperature, engine oil temperature, turbo pressur Automatically adjust brightness Automatic switch machine Easy to install, just plug in and useProduct function introduction OBD mode information display Vehicle speed, water temperature, voltage, fuel consumption, RPM, one-way mileage, one-way time, system time, intake pressure, air-fuel ratio, turbo pressure, acceleration test, brake test, high water temperature alarm, high-speed alarm, high PRM alarm, Low voltage alarm, fatigue driving alarm , read data stream... GPS mode information display Vehicle speed, voltage, altitude, compass, system time, one-way time, and one-way mileage. The latest upgrade: GPS function can also be displayed in OBD mode Compatible rangeOBD mode is suitable for 95% of cars with obd2 or EOBD protocol (American cars after 2003, other regions after 2007.) After connecting to the car, it will fire and automatically match. If the matching is unsuccessful, it will show incompatibility. . Can only be used for GPS systems. Please note that the car must be started, and the engine works to match the OBD. These types of vehicles cannot use OBD mode:all kinds of trucks, large passenger cars, medium passenger cars, pickup trucks, diesel cars, and electric cars. GPS mode is compatible with all car models.