P1 3.5 inch Car OBD2 GPS HUD Head Up System Smart Digital Speedometer Meter Display 1. OBD mode: Function: vehicle speed, voltage, water temperature, oil temperature, transmission oil temperature, turbo pressure, instantaneous fuel consumption, average fuel consumption, exhaust temperature, fuel quantity, driving distance, driving time, altitude, number of satellites, rotational speed, intake air Temperature, oil pressure, fuel pressure, GPS accuracy, date, accelerometer, latitude and longitude, driving direction, engine load, power battery power, left and right tilt angle, front and rear pitch angle, acceleration test, brake test, fault detection, clear fault code Alarm function: overspeed alarm, speed alarm, water temperature alarm, oil temperature alarm, exhaust temperature alarm, oil pressure alarm, fuel pressure alarm, voltage alarm, fatigue driving reminder, engine failure alarm 2. GPS mode: ehicle speed, voltage, driving distance, driving time, altitude, number of satellites, GPS accuracy, date, week, longitude and latitude, driving direction, left and right tilt angle, front and rear pitch angle, acceleration test, brake test Alarm function: overspeed alarm, voltage alarm, fatigue driving reminder 3. Language selection: English, Simplified Chinese, Traditional Chinese 4. During normal driving, the ambient light automatically adjusts the brightness according to the environment. There are various options, such as RPM ambient light, speed ambient light, always on ambient light, turn off ambient light, too high water temperature, too low voltage, too high vehicle inclination, speeding and other driving abnormal, The flashing red light alarms to make your journey more secure! 5. Built-in 6-axis sensor: 3-axis gyroscope, 3-axis accelerometer, using MEMS structure sealing process. Provide vehicle body posture change information to ensure driving safety for riders when they are off-roading or crossing extremes. 6. Through the car OBD interface, read the data in the vehicle on-board computer (ECU) with the OBD standard, a