High-quality material: It is made of solid materials with copper-zinc alloy. It has good conductivity, anti-switching and anti-corrosion, stable performance and sturdy and durable. High compatibility: The general battery switch is suitable for 6V, 12V and 24V battery voltage. The rated current is 400A for 16-17mm battery column connection. It is suitable for solving power loss problems such as cars, ships, cars, trucks, tunnels, motorcycles and mobile homes. Easy to use: If the vehicle is not used for a long time or used as a fire safety preventive measure. A simple rotation of the green switch can disconnect the battery quickly and safely. Safety: The connected anti-corrosion pad can effectively protect the battery connector and the battery switch. Note: Please check the size of the product and take a photo before purchasing to compare it with the product you want. Please contact us if you have any questions. Thank you for your support.