KUNFINE Car HUD Head Up Display GPS Speedometer Speedo Digital Over Speed Alert Windshield Projetor Auto Navigation A5 Universal HUDshort forHead Up Display.It displays driving datas on the front windshieldsuchas speedon the car front window glass;avoiding drivers unsafety because of watching the instrument while driving.Drivers can read the driving information instantly ,andcan alwayskeepthe best state on the waywith HUD. Fit for car Universal GPS speedometer: can be widely used on car, truck, motorcycle, bus, train, boat... voltage range 8~18V HUD Main Functions&Features: 1.Available for any car, easy to install, plug and play 2.Two mode display: reflect on windshield or directly see on the sit up HUD screen 3.Screen 3.5 inch HD display 4.Multi-color design makes the screen more abundant and easier to read 5. Nano-technology to eliminate double reflections,more clear. 6. Rich Contents: speed,compass, speed alarm,free switch between km and miles 7. Autopoweron/off:HUD start and off with vehicle started and shutdown,effective protection of the car battery;retaining the manual switch mode,more easy to control HUD. 8. Automatic and manual brightness adjustment mode,driving without glare. First use of HUD When it is the first time to use, please connect car charger to car cigarette lighter, after get charged, red satellite icon flash and start to search the satellite number, when the satellite icon become green color, HUD can work. Package Content: 1 x Head up Display 1 x Car charger 1 x Non-slip Mat 1 x Reflecting Film 1 x User Manual