Universal Application & High Current Capacity: Expertly designed for a wide range of vehicles and equipment, this switch supports 12-48V DC systems and is rated for continuous duty up to 300 Amps. perfect use in cars, boats, RVs, ATVs, and more, it provides a reliable solution for electrical system isolation and safety. Premium Construction for Enhanced Durability: Constructed from robust aluminum alloy, this high-quality master battery disconnect switch offers superior resistance to weather and rugged conditions. -duty housing safeguards internal components, ensuring a long-lasting and dependable performance across various environments. Straightforward Installation Process: Equipped with a clear on/off indicator and a simple setup procedure, this battery isolator switch ensures a hassle-free installation. It includes detailed steps from battery disconnection to secure mounting and cable connections, allowing for quick and error-free assembly. Safety and Maintenance Must-Have: By swiftly disconnecting the power, this switch not only prevents potential electrical fires and theft but also mitigates battery drain during equipment downtime. It's an essential device for maintaining battery health and ensuring peace of mind during extended periods of vehicle inactivity. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Silver Material:Metal Package Contents: 1 x Current 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.