Feature: 1. custom smart chip, real-time synchronization with control date.2. air computer, safe driving, original car data, non-destructive installation, the air outlet can be moved at will, After installation, elevate the visible vehicle condition, without frequent viewing of the control screen, to avoid accidents.3. Energy saving, automatic shutdown after flameout (starting and closing with the control, automatic shutdown).Multifunction:[Speed display]: Real-time of vehicle speed to avoid violations;[Gear display]: Real-time of the gear position of the vehicle;[Turn signal display]: the left and right turn signals of the vehicle in real time to avoid making mistakes;[The door display]: Real-time of door switches to avoid accidents;[ display]: the light switch in real time to avoid long-term exposure to the vehicle in front;[Parking display]: Real-time updates of vehicle parking conditions.For Car: For Model 3/YMaterial: ABScolour: blackPackage Contents:1 x Head-up display1 x Wire Harness1 x Installation toolOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.