VJOYCAR Hud GPS Speedometer, Heads Up Display for Cars Windshield Projector Digital Speed MPH Over Speeding Alarm, 100% Universal for All Vehicles Car Bus Truck Bike Scooter ATV UTV

* What’s new of the car HUD?: Two display mode. I,Head Up Display: project and display car driving speed on the windshield. 2, Normal Stand-alone Display: show the driving speed on its LED display directly. * What’s GPS Speedometer?: Collecting driving speed from GPS satellites. No relation with the car engine, therefore, it’s 100% universal for all vehicles include car, truck, pick-up, suv, scooter, train, motorcycle, bike, boat.. * What’s the speed unit?: KM/H and MPH. Long press the Enter Button, if you see number 100 shown on the screen, which means the speed unit is KM/h, if you see number 161 shown on the screen, which means the speed unit is MPH. * What other function?: Over-speed Alarm: Once driving speed is more than the pre-set value, it will alert bi bi bi, default value is 120MPH, it can be adjust to any value you need, and be off also. When car stops, it will show trip time and distance also. * How accuracy?: As usual, it’s 2-5MPH/KMH off from the car engine speed. The display speed could be c...