Quality Materials: The casing is made of high-quality plastic, equipped with copper studs and nuts, and the rear cover isolates terminals, enhancing durability and . Protection: This waterproof switch can safely disconnect the battery, preventing excessive power consumption when vehicles or boats are idle. Integrated Connection Posts: Comes with built-in connection posts that directly fit the top negative terminals, eliminating the need for additional cables or connectors, simplifying isolation and protection operations for the power system. Wide Application: Suitable for isolating and protecting circuits in 12-48V systems, extensively used in cars, boats, RVs, campers, and other electrical equipment. Colour:As Shown Material:Brass+Iron Package Contents: 1 switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.