Dual OBD GPS system with front display. GPS function can be displayed in OBD mode. The LED indicator is blue in normal display state and flashes red in numerical alarm state. Before purchasing, contact customer service to check if the HUD is compatible with your vehicle. 9 selectable display images: 9 screens can be switched. Rotating bracket, adjustable foot, freely adjustable. Two installation methods: centre console or windscreen. OBD2 mode: speed, speed, water temperature, voltage, fuel consumption, clock, single journey distance, single journey time, oil temperature, turbine pressure, acceleration test, brake test, overspeed alarm, engine fault alarm, clear fault code, water temperature alarm, speed alarm, voltage alarm, miles/km switch, fatigue reminder, automatic and manual brightness adjustment. GPS mode: speed, altitude, number of satellites, clock, single driving distance, single driving time, compass.