Features: Display information in OBD2 mode: vehicle speed, water temperature, oil temperature, transmission oil temperature, turbo-pressure, instant-fuel consumption, average fuel-consumption, exhaust temperature, fuel-volume, driving distance, driving-time, altitudes, number of satellites. Rotation speed air temperature intake pressure oil pressure fuel-pressure accuracy GPS data accelerometer latitude-driving direction engine load external temperature battery power left tilt angle and right pitch-angle acceleration test front and rear fault detection transparent error code. Automatically displays current driving data after the engine has been switched off. Alarm function: excessive speed alarm, speed alarm, water temperature alarm, oil temperature alarm, exhaust temperature alarm, oil pressure alarm, fuel-pressure alarm, fatigue driving reminder, engine failure alarm. Display information in GPS mode: speed, driving distance, driving-time, altitudes, number of satellites. GPS accuracy date week driving sense distance and distance left and right tilt angle Front and rear step angle acceleration test brake. Specifications: Material:ABS+PC Size:Approx.12x8.3x5.5cm/4.72x3.26x2.16inch Color:Black HUD model: P2 Screen size: 3 inches Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x HUD Head Up Display