... , trucks, boats, cars, recreationals, controllers and so on. Product DescriptionProduct: Oil pressure gaugeProduct code: DACTS038Voltage: 12V/24VIndicating value: 0-2-4 ... -10barFixing dimension: Φ52mm(2")Applying to NPT1/8, NPT1/4 oil pressure sensor with alarmSuitable for generators, combustion engine, trucks, boats ...