Description: Fine Material: The RV battery circuit breaker is made of fine zinc alloy, which is strong, durable, and not easy to deform. Parts Replacement: The RV battery breaker is a good replacement choice when you need to replace the old one. Universal: The battery disconnect switch can be used for many vehicles, such as automobile, auto, RV, boat, ship, etc. Mounting: please kindly note before purchase that the battery breaker can only be used with DC12-24V system. Useful tool: The battery switch can help you disconnect all the power supply when the cars or boats are not in use. Specification: Material: Zinc alloy. Color: shown as picture. Size: Approx. 11 x 6.7 cm / 4.33 x 2.64 inches. Note: There may be some color distortions due to different computer resolutions. A slight error may occur due to different manual measurements. Package Included: 1 Piece Battery Switch (with 1 Piece Panel).