【Dual OBD2 & GPS System】: Equipped with both OBD2 and GPS System, this HUD gauge delivers enhanced functionality and highly accurate real-time data. OBD mode is compatible with cars after 2008+. GPS mode is suitable for ALL car models 【OBD2 Mode Functions】: Vehicle Speed, Coolant Temperature, Voltage, Fuel Consumption, RPM, Trip Mileage, Trip Time, Odometer, Time, Intake Pressure, Oil Temperature, Air-Fuel Ratio, Turbo Pressure, Intake Pressure; Clear Fault Codes, Read Data Stream 【GPS Mode Functions】: Noted: If your car incompatible OBD2 protocol, only displays GPS function. GPS Mode：Speedometer, Voltage, GPS Time, Altitude, Satellite Count, Travel Direction, Trip Mileage, Trip Time, Acceleration Test, Braking Test 【Safety Alarms】: Equipped with acceleration/brake testing & smart safety alarms, this HUD display for cars provides real-time alerts for overspeed, high RPM, high water temperature, low voltage, and fatigue driving to keep you safe on the road 【User Experience】: Features a beautifully symmetrical hexagon shape with a non-reflective frosted black shell that blends seamlessly into your car's interior. This HUD gauge effectively avoids reflection, ensuring clear visibility even in bright sunlight 【Noted】: This OBD2 gauge display device is compatible only to OBDII/EOBD-compliant vehicles produced after 2008+. Note: OBD mode is not applicable to trucks, large/medium buses, pickups, diesel cars and electric cars Brand Name MH Manufacturer MH Material Type Plastic