VJOYCAR C60s Universal Digital GPS Speedometer Car Hud Head Up Display with MPH Speed Alert Fatigue Driving Alarm, 100% for All Cars Truck Motorcycle ATV SUV Pick-up Scooter Golf Cart

* What’s GPS Speedometers?: Collecting 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, golf cart.. * What does the GPS HUD display?: Car driving Speed, Single Driving Time and Mileage. Single Driving Mileage is the mileage from ACC is on to ACC is off. If you want total Driving Mileage - Odometer, please choose model C80 or C90. * 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 functions?: Over-speed alert. Default setting alert value is 120. Adjust the over-speed setting, once over value, it will give a warning. If want to off speed warning, just adjust the over-speed value to a very impossible high value. * How accuracy?: During usage, if need assistance, pls contact with me anytime. As ...