Features: 1.2 Security Alarm: Speed alarm and fatigue driving alarm to ensure your safety in long distance driving, have a long service time. 2.Accurate: Vehicle HUD with speed, MPH or KM/h, driving time, altitude, automatic time zone recognition, accurate GPS local time display, etc. 3.Green Light Display: The green light display will protect the driver's eyes and make the driver feel more comfortable. 4.Nonslip: Equipped with a rotatable stand, the HUD can be secured to the car console or windshield and prevent from slipping. 5.Easy Installation: Easy to install, no professional installation and no wiring, just plug and play, convenient for using, save your efforts. specification:Item Type: Car HUD Material: PC+ABS Color: Black Function display: GPS satellite speed measurement/altitude display/single driving distance/single driving time/total driving distance 2 Alarm: Speed alarm, fatigue driving alarm Other Function: Mile switch Power Supply: USB power supply Application Range: Suitable for all car models PackageList:1 x Car HUD 1 x Stand 1 x USBCable 2 x Sticker 1 x User Manual