Universal Car HUD Head Up Display, C60S Digital GPS Speedometers with MPH Speed Alert Fatigue Driving Alarm 3.0 inch LED Screen,for All Cars

• GPS Speedometers Quickly collect speedometers from GPS satellites, and the satellites can be locked in real time. More accurate than HUD OBD, GPS hud has the same working logic as speed radar. It has 100% versatility for all vehicles including cars, pickup trucks, off-road vehicles, trucks, trains, scooters, motorcycles, bicycles and boats.
• GPS HUD display Two display mode.Normal Stand-alone Display: show the driving speed on its LED display directly. Head Up Display: project the driving speed on the windshield.
• Over-Speed Alarm The default setting of vehicle speed is 120KM/H. When over-speed alarm is active, it will beep in 3 times to alert the car driver. Just need press the up or down to adjust it. If want to off speed warning, just adjust the over-speed value to a very impossible high value.
• Accuracy As usual, it s 2-5 KM/H 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.
• Automatic brightness adjustment In direct sunlight or at night, the HUD Head Up Display will automatically adjust its brightness to provide clear and visible projection without affecting the brightness of the HUB.