1: OBD+GPS dual system 2: Rotatable bracket, 2 installation methods, center console installation + suction on the windshield. 3: There are three units of turbine pressure: PSI, 100KPA, and bar. You can adjust and calibrate the turbine value to increase the fuel consumption unit KM/L. 4: New alarm functions: turbine pressure alarm, exhaust temperature alarm, oil temperature alarm, oil pressure alarm, fuel pressure alarm 5: Up to 10 Hz refresh rate, no lag delay 6: GPS function can be displayed at the same time in OBD mode 7: When the speed is switched to per hour, the water temperature will automatically switch to Fahrenheit, the single driving distance will automatically switch to Miles, and the fuel consumption will automatically switch to MPG gallons. 8: 9 display screens can be switched OBD2 mode: speed, rotation speed, water temperature, voltage, fuel consumption, clock, single driving distance, single driving time, oil temperature, turbine pressure, acceleration test, brake test, overspeed alarm, engine failure alarm, fault code elimination, water temperature alarm , Speed ??alarm, voltage alarm, mile switch, fatigue driving reminder, automatic and manual brightness adjustment, can display more than 100 data streams GPS mode: speed, altitude, and longitude, number of satellites, clock, single driving distance, single driving time, compass alarm functions: turbine pressure alarm, exhaust temperature alarm, oil temperature alarm, oil pressure alarm, fuel pressure alarm Input signal: 12V Resolution: 3000x3000 Type: OBD2 + GPS dual mode Power supply mode: OBD interface power supply Colour:black Material:plastic Package Contents: 1 set of heads-up display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.