【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?】 As usual, it’s 2-5MPH/KMH off from the car engine speed. The display speed could be calibrated by hand easily. Make it 2-5 miles ahead to avoid speed ticket. Professional factory on little car safety speedometer for more than 10 years, offer u good small beautiful things with good price.