Speedometer Reflective Windshield Simple Function , Small Car Windscreen Speedometer

Vehicle Heads Up Display A2 Simple Function Small Size Speed Compass Green LED What is Heads Up Car Display? It displays driving datas on the front windshield such as speed on the car front window glass;avoiding drivers unsafety because of watching the instrument while driving.Drivers can read the driving information instantly, and can always keep the best state on the way with HUD Menu Parameters Range Adjustment Explanation Default Value 1 Speed 80-120 Speed error: Up or