Car Global Position System Speedometer C80 Digital Display Speed Altitude Meter Motorcycle Head-Up Display Car Hud Display

Features:
Head-up display the driving speed and altitude.
Driving time and mileage calculation and display.
Easy setup, plug-and-play, no professional installation is required.
Compatible with most car. Use global position system signal guided calculation. No wiring needed to the VSS (vehicle speed signal).
Display MPH or KM/h.
Auto adjust brightness through s-ensor for day and night driving.
Vehicle driving speed display. Green color speed display, easy on your eye.
Over-speed alarm setting.
Total mileage display after car stops.