Feature: OBD2 mode functions: vehicle speed, engine RPM, water temperature, voltage, time, engine oil temperature, transmission oil temperature, turbo pressure, average fuel consumption, instantaneous fuel consumption, engine load, exhaust temperature, fuel quantity, outside temperature, number of satellites, power battery level, oil pressure, fuel pressure, driving direction, altitude, trip distance, driving time, atmospheric pressure, roll angle, pitch angle, PID data OBD2 mode alarm: overspeed alarm, water temperature alarm, voltage alarm, turbine pressure alarm, exhaust temperature alarm, oil temperature alarm, oil pressure alarm, fuel pressure alarm, fatigue driving reminder, vehicle failure alarm GPS mode functions: vehicle speed, clock, voltage, driving direction, altitude, trip distance, driving time, roll angle, pitch angle GPS mode alarm: speeding alarm, voltage alarm, fatigue driving reminder Language selection: English Specification: Material: electronic components Colour: Black Product size: 12cm*5.5cm*8.3cm/4.72*2.17*3.27 Package size: 15cm*6cm*9cm/5.91*2.36*3.54 Product weight: 280g Package weight: 280g Applicable scenarios: OBD2 mode is suitable for gasoline vehicles produced after 2008 and GPS mode is suitable for all vehicles with USB ports Note: There may be slight size deviations due to manual measurement, different measuring methods, and tools. The pictures may not reflect the actual color of the item because of different photographing lights, angles, and monitors.Packing list 1 X HUD 1 X OBD Cable 1 X USB Cable 1 X Anti-Slip Mat 1 X Manual