Features: Durable water temperature gauge: made of ABS material, light, non fading, high temperature resistant, not easy to deform, not easy to damage, and durable. Standard dial for a 2-1/16" (52.4mm) opening and requires 12-volt negative ground systems The water temperature gauge is used to measure the water temperature of the automobile. The measurement range is 40-120 C. Digital water temperature gauge: the water temperature can be clearly displayed by numbers and pointers. The white light on the dial makes it easy to read in the dark. Specification: Shell color: Outer ring: black Material: plastic Power supply: 12V Resistance: 240-33ohm Diameter: 52mm\2" Measuring range: 0-1 Light: white light Package size: 9 * 7 * 7cm Package weight: 140g Packing List: 1 * Water Temperature Guagewith Fittings