Top Post Blade Master Switch: This battery switch is designed specifically for top post batteries, providing a convenient and efficient way to disconnect the vehicle from the power supply without the need for additional tools. 12V-24V Voltage: The switch is compatible with both 12V and 24V s, ensuring its versatility and suitability for types of vehicles such as cars, RVs, boats, and trucks. Material: Made of high-quality material, this battery switch is built to last. It is to and weather conditions, ensuring long-lasting performance and reliability. Safety and Protection: The switch is designed to prevent short circuits and fires when working on electrical equipment. It also helps to battery drain when the battery is not in use, protecting against theft and extending battery life. Easy to Use: The switch can be easily operated by disconnecting or reconnecting the battery by flipping the blade. No additional tools or complicated steps are required, making it user-friendly and convenient. Item name: Battery disconnect switch Type:B:Horizontal switch Operating voltage: 12V/24V Rated current: 250A Mounting hole diameter: 15-17mm Suitable for batteries with rated current of 250A in automobiles, trucks, etc. Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:copper Package Contents: 1 x Battery disconnect 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.