Item Type: Pointer Oil Pressure Gauge Material: 316 Stainless Steel and PVC and ABS Light Color: Colorful backlight (adjustable) Installation Diameter: Approx. 52mm or 2.0in, and ensure that there is at least 55mm or 2.2in space behind the dashboard. Working Voltage: 9-32V Working Current: 18mA Signal: 10-184Ω Working Temperature: -30℃ to and75℃ Storage Temperature: -40℃to and80℃ Application: Universal for automobiles, engines, boats, RVs, yachts, engineering machinery, etc. 1,Materials: Crafted from 316 stainless steel, PVC and ABS, can be used for a long time even in acid, alkali and humid environments. 2,IP67 Protection: Waterproof and dustproof, with curved glass, anti fog, no need to worry about the damage caused by bad weather. 3,Wide Usage: Suitable for a full range of stepping instruments, can be used for engine, generator sets, ships, construction machinery, etc. 4,High Performance: Feature the characteristics of low power consumption, long life and high accuracy. 5,Wide Voltage: With ultra wide working voltage design, long term operating voltage is 9 to 32V, maximum can up to 36V. 1 x Pointer Oil Pressure Gauge 1 x Screw Cap 1 x Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.