Car GPS Speedometer with Speed, Overspeed Warning, Mileage Measurement, Fatigue driving reminder for All Vehicle

Multi function display:Current speed,Mileage,Driving direction,Automatic sensitization,Sound alarm,Speed Alarm,Fatigue driving reminder,Driving speed(KMCelsiush or MPH). GPS positioning Celsius real-time synchronous data display, data acquisition, not affected by the weather. 2 major alarm functions to improve driving ,Speed Alarm and Fatigue driving reminder. Features: Multi function display:Current speed,Mileage,Driving direction,Automatic sensitization,Sound alarm,Speed Alarm,Fatigue driving reminder,Driving speed(KMCelsiush or MPH). GPS positioning Celsius real-time synchronous data display, data acquisition, not affected by the weather. 2 major alarm functions to improve driving ,Speed Alarm and Fatigue driving reminder. Automatic photosensitive mode, automatically adjust the brightness of the display according to the of external light to make it clearly visible under strong light. Automatic start-up and shutdown with vehicle start-up and shutdown. Specifications: Color:Green,White for optional USB (5V) can be used. package weight: 145g package size:9x9x6cm Package List: 1x 1xInstructions 1XNon-slip mat 1XUSB