1. Function: vehicle speed, direction, automatic light detection, km/h and mph, satellite icon. 2. Alarm: speeding alarm, reminder of fatigue while driving. 3. New GPS HUD, compatible with all vehicles. 4. Display vehicle speed, direction of travel, speeding alarm, driving fatigue reminder, auto photosensitive. 5. Large font, high resolution: The front uses metal nanotechnology to eliminate unnecessary reflections and make the screen clearer. 6. The integrated hood design covers the screen panel lights and there is no glare when driving at night. 7. GPS Compass: You won't get lost while driving anymore. 8. Lian Yong technology solution: central uses the algorithm, adding speed lubrication effect, displaying speeds more consistent and smooth, and increasing compatibility of start-stop vehicles, hybrid vehicles and gasoline vehicles. Eyepiece: Type: white light Material: ABS PC Body Color: Black Product Size: 8,6 cm * 3,7 cm * 1,6 cm / 3,39 * 1,46 * 0,63 " Product Weight: 125g Applicable model: suitable for all models List of things to pack 1 X HUD car 1X USB Cable 1 X reflective film; 1 X anti-slip mat; 1 * manual