Description:     This gauge is designed and manufactured to exacting quality standards to give maximum service and reliability. It can be used in place of, or in addition to, presently operating indicator lights. Gauge insures greater accuracy and provide a wider margin of safety than indicator lights. Specifications:  Material: Stainless Steel Color: Black Voltage: 12V Voltmeter Measuring Range: 8-16V Water Temperature Gauge Measuring Range: 40-120℃ Oil Pressure Meter Measuring Range: 0-7KG Package Weight: Approx. 500g Applications: Fits for cars/trucks/tractors and marine engines. Oil Pressure Gauge Indicates: Low Oil Level. Clogged oil filter. Loose or broken oil line. Oil foaming. Improper oil viscosity. Engine bearing failure. Water Temperature Gauge Indicates: Low coolant level. Defective thermostat. Broken fan belts. Blocked radiator. Leaking cooling system. Package Included:  1 x Water Temp Gauge  1 x Oil Pressure Gauge  1 x Voltmeter Gauge  1 x Temp Sensor   1 x Pressure Sensor Other Accessories