Car Head-up Display Digital Speedometer Display Driving Mileage, Compass Angle, Overspeed and Fatigue Driving

Great Compatibility: This is + Beido dual-mode chip. It is compatible with all vehicles around the world. The refresh rate is 10 frames per second, and the speed of the car changes smoothly and continuously. Display Function: This can diplay speed, driving mileage, compass angle, satellite icon. Two functions: It supports overspeed and fatigue driving . The over speed setting is 30-250KMH. will when the vehicle speed reach to the setting value. The fatigue driving setting is 1 to 8 hours, will give fatigue driving when your continuous driving time reach to the setting value. Compass: It can dispay all directions, E(East), W(West), S(South), N(North). and play: Use the USB cable to collect the lighter.