Features: 1.High Quality Material: Made of stainless steel and ABS, can be used for a long time even in acid, alkali and humid environments. 2.Measures Fuel Level: The fuel level gauge will accurately display fuel level remaining in your gas tank. 3.IP67 Waterproof And Dustproof: IP67 waterproof and dustproof grade, with curved glass, anti?fog, no need to worry about the damage bad weather may cause. 4.Excellent Performance: Low power consumption, long life and high accuracy. With ultra?wide working voltage design, long?term operating voltage is 9 to 32V,maximum can up to 36V. 5.Widely Use: Suitable for a full range of stepping instruments, can be used for car, engine, boat, RV, yacht, engineering machinery, etc. Specification: Item Type: Fuel Level Gauge Material: ABS+stainless steel Lighting Color: 7 color (adjustable) Install Caliber: Approx. 52mm/2.05in, and make sure there is at least Approx. 55mm/2.17in space behind the dashboard Operating Voltage: 9-32V Operating Current: 18mA Signal: 0-190 Operating Temperature: -30 - +75 Storage Temperature: -40 - +80 Fitment: Suitable for cars, engines, boats, saloon cars, yachts, engineering machinery, etc. Package List: 1 x FuelLevelGauge 1 x ScrewCap 1 x Instructions