Description:5 Function 12v/24v Truck Car Oil Pressure Gauge/Volt Voltmeter/Water Temperature Gauge/Fuel Gauge/TachometerFeatures:Working voltage:9-36vTemperature range:-20-150CRpm range: 0-8000rpmUniversal fit5 functions in 1Note:Tachometer function must connect tach signal wire to w pole of generator.Fuel gauge cable must connect with Resistive Induction sensor(only work with this kind sensor).Oil pressure sensor thread:NPT8/1.Water temperature sensor thread:10MM.Package Included:1 X Gauge Set(14pcs)