A9 5.5 inch Universal Car OBD2 HUD Vehicle-mounted Head Up Display, A9(Blue) Option:A9(Blue) and dont rotate it hard

and dont rotate it hard after winding up to avoid damage

One Package Size 28cm * 23cm * 30cm / 11

Speaker impedance: 4 ohms

Connection method: AP local connection

Material Plastics

A9 5.5 inch Universal Car OBD2 HUD Vehicle-mounted Head Up Display, A9(Blue) Option:A9(Blue) and dont rotate it hard1. 5. 5 inch color screen. Reflective readings. Non destructive installation. Plug and play. 2. Display function: driving speed, engine speed, instantaneous fuel consumption, average fuel consumption, clock, the number of kilometers traveled, the current driving time, and the acceleration time of 100 kilometers. It can detect and clear the car error diagnosis code without professional equipment elimination. 3. Overspeed alarm, water temperature alarm,