1. OBD+GPS dual system 2. Two installation methods, A-pillar installation + center console installation. 3. There are three units of turbine pressure: PSI, 100KPA, and bar. The turbine value can be adjusted and calibrated to increase the fuel consumption unit KM/L. 4. Refresh rate of 10 Hz, no lag delay 5. GPS function can be displayed at the same time in OBD mode. 6. When the speed is switched to MPH, the water temperature will automatically switch to Fahrenheit, the single driving distance will also automatically switch to Miles, and the fuel consumption will automatically switch to Gallon MPG 7. 8 types Display screen can be switched 8. OBD2 mode: speed, rotation speed, water temperature, voltage, fuel consumption, clock, single travel distance, single travel time, oil temperature, turbine pressure, acceleration test, brake test, overspeed alarm, engine failure alarm, elimination of fault codes, Water temperature alarm, speed alarm, voltage alarm, mile switch, fatigue driving reminder, automatic and manual brightness adjustment. 9. GPS mode: speed, altitude, number of satellites, clock, single driving mileage, single driving time, compass
