Feature 1Can be powered by voltage from 8~32V,universal fit for 12/24V power source. 2Two kinds of backlights can be arbitrarily selected, red or yellow backlight. 3With the function of accumulative timing. 4The stainless gauge shell is resistant to pressure and aging,the glass is resistant to water and fog. 5Used in automobiles, ships, engine blocks, construction machinery and other fields.Features: Can be powered by voltage from 8~32V,universal fit for 12/24V power source. Two kinds of backlights can be arbitrarily selected, red or yellow backlight. With the function of accumulative timing. The stainless gauge shell is resistant to pressure and aging,the glass is resistant to water and fog. Used in automobiles, ships, engine blocks, construction machinery and other fields. Specification: Item Type:Oil Pressure Gauge Condition:100% Brand New Color:As shown in the picture Material:Stainless Steel Fitment:Universal Mounting Hole Diameter:52mm / 2.05in Voltage:8~32V Measuring Range:0~145PSI Accuracy Degree:1% Package List: 1 x Oil Pressure Gauge 1 x Oil Pressure Gauge Accessory 1 x Users Manual