Car Hud Head Up Display OBD2 A501 with Screen for 4.5 Inch Smart Gauge LCD Speedometer Multi-function Digital Meter

Product Function: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.Kind reminder: This gauge is universal and suitable for models with OBD2 interface from 2008 to 2026. It is not suitable for older models with OBD1 interface and is suitable for models with OBD2 interface.