Autowindshield Speedometer Display , Reflective Screen Digital GPS Speedometer For Car

Multifunction Trip Computer Auto Windshied Reflective Screen Speed Display OBD2 HUD Parameters: HUD Model: E300 Size size: 5.5 Inch Environment temperature: -40c- + 80c atmospheric pressure 86-106KPa Relative Humidity: 10% -95% environmental noise = 30dB (A) Working voltage: 9V ~ 16Vdc (12Vdc / 400mA) HUD size: 125x75x15mm HUD Weight: 110 g HUD with package box weight: 278 g Why need HUD? Now some high-end car is with HUD, but for most car, there is no HUD, and HUD can