MULTIFUNCTION GPS SPEEDOMETER: The car HUD displays speedometer, clock, number of satellites, direction of travel and other information in your driving . You can safely driving information without taking your eyes off the frontOVERSPEED CAR ALARM: Additional instrumentation with speeding and fatigue driving alarms make your driving and more comfortableWITH COMPASS: Features a GPS navigation direction compass to help drivers by indicating directions. Equipped with a light sensor adjusts brightness according to different light, it is very clear in lightSIMPLE INSTALLATION: Just mount the device near the dashboard or use the 360-degree rotating suction cup mount to mount the device to the windshield, USB cable link, plug and playWORKS FOR ALL VEHICLES: Compatible with all , truck, motorcycle, golf cart. Auto power on/off function, the HUD will or turn off automatically with vehicle ignition, can effectively your vehicle's batterycolor:Black (green light)Material:plasticPackage Contents:1 x Car for Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.