Features: 1.Universal: With 52MM / 2in mounting size, 9?32V water temperature meter for RV, yacht, fishing boat, ship, with colorful backlight, is a cool modification. 2.With Backlight: Water temperature meter with backlight has a striking visual effect in the dark environment, increasing the beauty of the meter and convenient reading. 3.Colorful Display: The backlight can be switched between different colors to provide a variety of display effects, making the water temperature meter more colorful. 4.Dual Scale: The water temperature gauge dial has Celsius Fahrenheit dual scale display with a range of 0?120 C and 30?250 F, and is easy to read. 5.Strong Durability: Water temp meter uses durable materials, has good stability, and can operate stably in a variety of harsh environments for a long time. Specification: Item Type: Water Temperature Gauge Material: ABS+ stainless steel Operating Voltage: 9-32V Parameters: 0-120C / 30-250F Installation Size: Approx. 52MM / 2in Display Function: Water temperature Fitment: Fit for RV, yacht, fishing boat, ship PackageList: 1 x Water Temperature Gauge