Smart Car HUD Turbo Gauge Digital Odometer

OBD mode information display: vehicle speed, water temperature, voltage,fuel consumption, RPM, single mileage, total cumulative mileage, travel time, system time, intake pressure,oil temperature, air-fuel ratio,turbopressure,intake pressure, acceleration test, brake test, read data stream.

Alarm:Overspeed alarm, Speed alarm, High water temperature alarm, Low voltage alarm, Engine fault alarm, Clear fault code, Free switching between kilometer and miles,KM/h & MPH Switchfreely,°C & ℉switch freely.