Car Head-Up Display (HUD), C80P Digital GPS Speedometer with MPH/KMH Speed ​​Alert and Driving Alarm

Product Introduction【GPS Speedometers】 Quickly collect speed readings from GPS satellites, and the satellites can be locked in real time.More accurate than OBD HUDs, the GPS HUD operates on the same logic as speed radar.It offers 100% versatility for all vehicles, including cars, vans, SUVs, trucks, trains, scooters, motorcycles, bicycles, and boats.【GPS HUD Display】Driving speed, single-trip time, and mileage.When using it in a car, plug it into the car's USB port. If there is no USB port in the car, you will need a car adapter or plug it into a power bank (not included).【Overspeed Alarm】 The default vehicle speed setting is 120 km/h.When the overspeed alarm is active, it emits 3 beeps to alert the driver.Simply press "up" or "down" to adjust it.If you want to disable the speed warning, simply adjust the overspeed value to a very high value.【Accuracy】 As usual, it's 2-5 km/h off the car's engine speed.The displayed speed can be easily calibrated manually.Do this 2 to 5 miles in advance to avoid speeding tickets.