Car Head-Up Display (HUD) - Digital GPS Navigation Speedometer with Dual System Display, Speed/Time/Direction/Mileage, Overspeed Alarm, and Fatigue Driving Alarm

Great Compatibility: This head display is GPS + Beido dual-mode chip. It is compatible with all vehicles around world. refresh rate is 10 frames per second, and speed of car changes smoothly and continuously. Compact Pattern compact body suitable for placement. No matter where it is placed, it is clear and natural, and dose not block any sight. Two Alarm functions: It supports overspeed alarm and fatigue driving alarm. over speed alarm setting is 0-250KM/H. Head display will alarm when vehicle speed reach to setting value. fatigue driving alarm setting is 1 to 8 hours, head display will give fatigue driving alarm when your continuous driving time reach to setting value. Display Function: This head display can diplay speed, clock, driving time, driving distance, number of satellite, driving direction. Automatic light adjustment: It can adjust its own brightness according to environment. Clear display, no glare when driving.