Features: 1.When the speed is switched to MPH, the water temperature will switch to , the single driving distance will automatically switch to miles, and the fuel consumption will automatically switch to MPG. 2.The maximum resolution of 240 x 240 in the HUD display, high?definition display, the screen can be rotated 270 degrees. 3.Support OBD+GPS dual system, with two installation methods: A?pillar installation and center console installation. 4.GPS function can be displayed at the same time in OBD mode, Up to 10Hz refresh rate, no delay phenomenon, and 8 display screens can be switched. 5.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. Know how many kilometers one liter of fuel travels. Specification: Item Type: Head Up Display Material: ABS Size: Approx. 103 x 56mm/4.1 x 2.2in (Length x Thickness) 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, kilometer and mile switch, fatigue driving reminder, automatic and manual brightness adjustment. GPS Mode: Speed, altitude, number of satellites, clock, single driving distance, single driving time, compass Fitment: Universal (vehicles complying with OBD II standard) Installation Location: Instrument Panel or A-Pillar Note: Please allow for errors due to manual measurement