Description Features:OBD Mode Display: vehicle speed, rotate speed, water temperature, voltage, driving distance, driving time, fuel consumption, local time, oil temperature, driving direction, number of satellites, air fuel ratio, intake pressure, acceleration test, brake test, acceleration test, and read the whole vehicle data stream.Alarm: overspeed alarm, rotate speed alarm, fatigue driving alert, high water temperature alarm, low voltage alarm, engine fault alarm.GPS Mode Display: speed, voltage, mileage, driving time, local time, altitude, driving direction, number of satellites, acceleration test, brake test.HD display screen, multiple UI can switch different pictures, the color of numbers on the interface can be freely adjusted.Exquisite and unique design, brightness automatically adjusted with light. Plug and play, easy to operate.HUD can eliminate the fault code displayed on the engine dashboard.Specifications:Model: P11Color: BlackSystem: OBD+GPSScreen size: 1.8inchEnvironmental temperature: -40+120Atmospheric pressure: 86106KPa Relative humidity: 10%95%Environmental noise: =60dB(A)Alarm sound level: =30dB(A)Product size: 65.5x65x65mmPackage size: 14.5x10x7.5cmPackage weight: 260gPackage List:1 x HUD Main Unit1 x OBD Cable1 x USB cable1 x User Manual1 x Non-slip Mat