Features： 1、Safe Disconnect: This battery switch safely disconnects the battery when the vehicle or boat is not in use, eliminating any power drain from the battery. 2、Waterproof: The top of this power disconnect switch is designed with a waterproof cover to better protect the switch. Professional and high reliability. 3、Premium Material: The shell is made of engineering grade ABS material, which is durable and not easy to age. The terminals are made of tinned copper for maximum conductivity. 4、Easy Installation: The stud accepts M8 ring terminals and the 20mm stud length accepts multiple cable terminals. Compact size for easy installation and cable connection. 5、Wide Application: Battery isolation switches are ideal for cars, off road vehicles, trucks, motorcycles, marine boats, battery packs and more. Specification： Item Type: Battery switch Material: Tinned copper Switch Position: 2 (ON, OFF) Continuous Rating: 250A Instantaneous Current At Startup: 360A Number Of Terminals: 2 Terminal Size: M8 Terminal Length: Approx. 20mm/0.79in Package List： 1 x Battery Switch