Specifications Model G4SName Car GPS Head up DisplayMaterial ABS PCApplicable Models GeneralScreen Type LEDScreen Size 2 5 inchesWeight 0 132 Kg Dimensions 52mm x 52mm x 14mm 2 03in x 2 03in x 0 55in Display High Definition LEDColors Available White Light Green LightInterface Micro USBPower Supply USB PoweredMaterial High Quality PlasticDesign Semi Arc With Seamless FasteningFeatures Accurate Speed Display The speed calibration feature ensures the speedometer matches the car s dash display and leverages GPS signals for precise speed measurements GPS Compass Real time GPS positioning allows the device to display accurate direction data N E W S unaffected by weather conditions Automatic Photosensitive Adjustment The built in light sensing system adjusts the screen brightness according to the surrounding light providing a comfortable viewing experience Overspeed and Fatigue Alarms Set an overspeed alarm to ensure safe driving and an 8 hour fatigue driving reminder to promote driver well being Dual Color Display Options Choose between white and green LED displays for optimal visibility under different lighting conditions day or night Package Included 1 x Car Headup Display1 x Micro USB1 x Non slip Mat1 x Manual