Auto Speedometer Head Up Display Car Accessories

  Have you had any of these problems while driving?   G3 Function: 1： Speed 2： Driving direction guide 3： Compass 4： Simple mode display 5： Decorative mood lighting 6:    One-key switch between kilometers and miles 7:   Automatic photoreceptor 8：Time 9：Number of GPS satellites 10：Altitude 11：100km acceleration 12：Driving distance Call the police: 1： Overspeed alarm 2： Fatigue driving reminder     Alarm functions Improve driving safety   Overspeed alarm：Alarm when the vehicle speed reaches the set default value of 150KM/H. (30-250 setting)  Fatigue driving: Reminder after continuous driving exceeds the default value of 4.0 hours.      （1-8h setting） Machine can be placed anywhere Can be placed in a position you find comfortable while driving. Display of different functional interfaces 1. Speed+Time+Compass+ Number of GPS satellites+ Decorative atmosp 2. Speed+Driving time+ Decorative atmosphere lights 3. Driving direction angle s