1、OBD+GPS dual system, GPS function can be displayed simultaneously in OBD mode, up to 10 Hz renovate rate, no stutter delay. 2、Rotatable bracket, 2 installation methods, center console installation + suction on the windshield. 3、With alarm warning light, the ambient light is normally blue, and flashes red when the alarm occurs. 4、The screen in the lower right corner has a clock function, 9 display screens can be switched. 5、Three units of turbine pressure: PSI, 100KPA, and bar, turbine value can be adjusted and calibrated to increase the fuel consumption unit KM/L. 6、When the speed is switched for MPH, the water temperature will automatically switch to ℉, the single driving distance switch to Miles, and the fuel consumption switch to MPG.