M7 hud obd2 head up display OBD2 + GPS Dual System head up display gps Overspeed car head display up obd2 hud display car

OBD mode working voltage: 11V~18VDC (12vdc/200ma), when voltage is higher than 24v, please use a USB cable for GPS modeThis product is a dual system (OBD+GPS): push left the wave button to choose OBD or GPS system, if you have no operation, after 5 seconds,HUD will automatically enter into the OBD system.For second use, when HUD start, if donnot push the wave button, after 5 seconds, HUD will automatically enter into the system that first time chose.HUD Display Packing1x M7Head Up Display1 x Non-slip mat1 x Reflective film1 x OBD Cable1 x USB Cable1 x English User Manual

• Real data from OBD 2 Port, Display Car Speed, water temperature, Oil temperature, voltage, fuel consumption, RPM, single mileage, total cumulative mileage, driving time, system time, intake pressure, air-fuel ratio, pressure(if your car engine has no turbo funtion, then this function will be invalid), intake pressure,speed up test, brake test, read data stream. Engine Faulty number
• Alarm for: Overspeed alarm,High water temperature , Low voltage, Engine fault,
• Smart Fuctions: Clear fault code, Switching between kilometer and miles, and Fahrenheit .