A8 OBD2 HUD Car OBD Head Up Display Speed Water Temp RPM Voltage Fuel Consumption Windshield Projector With Alarm Digital Gauge

High-concerned chemical : None Output Frequency : A8 Head Up Display Rated Power : DC 12V Size Name : 5.5 Inch Wire or Wireless : wired Brand Name : ZMFJH Origin : Mainland China Driving speed : RPM water temperature : voltage fuel consumption : clear faults Speeding alarm : Water temperature alarm Voltage alarm : RPM alarm Fatigue driving alert : Single-segment speed alarm Four-segment speed alarm : Fault alarm