M3 HUD OBD2 Display On-board Computer Car Head-up Sisplay Windshield Big Font Projection Speedometer Temp Voltage Alarm

Speed type：OBD vehicle speed，GPS speed High-concerned chemical：None Rated Power：HUD Wire or Wireless：wire Brand Name：ZMFJH Origin：Mainland China

Speed type: OBD vehicle speed，GPS speed High-concerned chemical: None Rated Power: HUD Wire or Wireless: wire Brand Name: ZMFJH Origin: Mainland China