??HUD??Updated Head Up Display, no need paste projector film on car glass, display all data on its own TFT colorful display, no double image under sunshine as other normal HUDs. The only portable speed HUD display with rechargeable battery and solar panel.??GPS Speedometer??Collecting all data from GPS satellites, universal for all vehicles & transportion tool: SUV ATV Pick-up Truck Scooter Golf Cart Bus Boat Train Bike Motorcycle?? The same working logic as speed testing radar, to avoid speeding ticket from now on.??Digital Speed Gauge??HD TFT Colorful Display: speed in KM/H or MPH, time clock, temperature in Celsius and Fahrenheit, altitude, over-speed alarm, fatigue driving alert. User can adjust the speed and make it’s same as your car dashboard.??Plug and Play??Plug the USB cable to car Usb port / car adaptor or power bank, it will be charged. Attendtion, it will be a bit dark under sunshine if not connect the USB port as the internal battery and solar panel is so small.??On/Off automatical