4.5 Inch Car Digital GPS Speedometer Head-up Display

Head-up display the diving speed. Driving time and mileage calculation and display. Over-speed alarm. Fatigue driving alarm. Altitude display. Local time display with auto time zone adjustment. Large size screen. Easy setup-plug & play-power through vehicle cigarettes lighter. No professional installation is required. Compatible with all cars / trucks. Use gps signal guided calculation. No wiring needed to the vss(vehicle speed signal). Display mph or km/h. Auto adjust brightness through sensor for day & night driving. Green color data display, easy on your eyes. Total mileage flashing display while no gps signal or car stops. Package included:1 x c80 hud head-up display, 1 x hud stand, 1 x charging cable, 1 x fastening ring, 1 x manual.