Item Type: OBD2+GPS Smart Gauge Material: PC+ABS Color: As Pictures Shown Weight: Approx.198g/7oz Size: Approx. 61x49x97mm/2.4x1.9x3.8in 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, 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, compass Applicable Car models: All car models. Package List 1 x Host 1 x Hook and Loop Fasteners 1 x Manual 1 x Charging Base 2 x Foam Sticker 1 x Install Tool 1OBD+GPS dual system, 8 kinds of display screen can be switched. 22 kinds of installation mode, A pillar installation + center console installation. The code table that can be installed in the A column display. 3The screen can rotate 270. The HUD small size watch reaches the highest resolution of 240x240, highdefinition display. 4Turbine 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. 5Up to 10 Hz renovate rate, no stutter delay. GPS function can be displayed simultaneously in OBD mode. 6When 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.