6 In 1 Multi-functional Gauge Meter Car Boat 85mm GPS Speedometer Tachometer 12V Fuel Level Water Temp Oil Pressure 0~5Bar ,High Precision, Size:A

Working Voltage:8~16 V. This GPS speedometer gauge display speed mph, kmh or knots. The Tachometer function is always active on this gauge, so you can watch your speed and RPM at the same time. This gauge features Fuel level, Oil Pressure, Water Temp. Voltmeter, Odometer, Trip Meter, Hour Meter. The digital display is protected by an improved flat s which provide less sun on sunny day and a better visibility.