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

HUD will alarm when the vehicle speed reach to the setting v. The over speed alarm setting is 30-250KMH. Two Alarm functions: It supports overspeed alarm and fatigue driving alarm. Display Function: This HUD can diplay speed, driving mileage, , compass angle and satellite icon. The refresh rate is 10 frames per second, and the speed of the car changes smoothly and continuously. It is appropriate with all vehicles around the world. excellent Compatibility: This HUD is + Beido dual-mode chip