1、When the speed is switched to MPH, the water temperature will switch to ℉, the single driving distance will automatically switch to miles, and the fuel consumption will automatically switch to MPG. 2、Through the principle of reflection imaging, there is no film, no ghosting, and the display is clear during the day, allowing you to drive safely. 3、The speed per hour can be switched to KM and MPH, and there are new functions such as oil temperature, intake pressure. 4、This head‑up projector allows you to look forward to get driving information without having to look down at the dashboard. 5、Plug and play, very convenient for you to use, and the mold design is really beautiful and textured, very practical. Item Type: Head Up Display Material: ABS Function:Alarm: Single-stage and 4-stage overspeed alarm, engine failure alarm, water temperature alarm , speed alarm , voltage alarm Fitment: Universal (vehicles complying with OBD II standard)How to Use: Simply connect the head-up display (HUD) with the on-board diagnostic interface (OBD) through the OBD cable, and the head-up display (HUD) will display when the car engine starts 1 x Host 2 x Sticker 1 x Anti-Slip Mat 1 x OBD Line 1 x Manual