M7 3.5 inch Universal Car OBD2 + GPS HUD Vehicle-mounted Head Up Display Fuel Consumption

1. Easy to operate.
2. Easy to install, play and plug.
3. Overspeed, low voltage, high water temperature will alarm. (bibibi)
4. There are 2 display systems, one is GPS mode, it is suitable for all models, and the other is OBD mode.
5. Weight: 75g; size: 90x53x26mm