1、OBD+GPS dual system, 8 kinds of display screen can be switched. 2、2 kinds of installation mode, A pillar installation + center console installation. The code table that can be installed in the A column display. 3、The screen can rotate 270°. The HUD small size watch reaches the highest resolution of 240x240, high‑definition display. 4、Turbine pressure has PSI, 100KPa and bar units. Turbine value can be adjusted and calibrated to increase fuel consumption per KM/L and how many kilometers per liter of oil is driven. 5、Up to 10 Hz renovate rate, no stutter delay. GPS function can be displayed simultaneously in OBD mode. 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. 1 x Host1 x Hook and Loop Fasteners1 x Manual1 x Charging Base2 x Foam Sticker  1 x Install Tool Item Type: OBD2+GPS Smart GaugeMaterial: PC+ABSColor: As Pictures ShownWeight: Approx.198g/7ozSize: Approx. 61x49x97mm/ 2.4x 1.9x 3.8inOBD2 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, rotation speed alarm, voltage alarm, mile switch, fatigue driving reminder, automatic and manual brightness adjustment.GPS Mode: speed, altitude, number of satellites, clock, single driving distance, single driving time, compassApplicable Car models: All car models.