1、Sewage Water Gauge: High accuracy, low power consumption, with adjustable backlight. Anti fog curved glass, clear display. 2、Wide Working Voltage: It has 9‑32V ultra wide working voltage, and can up to 36V, safe and dependable to use. 3、Application: Applicable to automobiles, marine boats, yachts, RVs, engineering machinery, etc, wide applications. 4、IP67 Waterproof: Made of 316 stainless steel and ABS, IP67 waterproof and dustproof, durable even in acid, alkali and humid environments. 5、Easy to Install: The installation is simple and does not require complicated operations, save your time and effort. Item Type: Sewage Gauge Material: Stainless Steel + ABS Light Color: Colorful (adjustable) Mounting Diameter: Approx. 52mm/2in, and ensure that there is at least 55mm/2.2in space behind the dashboard Working Voltage: 9-32V DC Working Current: 18mA Signal: 0-190Ω Working Temperature: -30℃-+75℃ Storage Temperature: -40℃-+80℃ Applicable Scenarios: Suitable for automobiles, engines, boats, RVs, yachts, engineering machinery, etc. 1 x Sewage Gauge 1 x Cover 1 x Manual