Feature 1Waterproof Design: The battery isolator disconnect switch is waterproof, suitable for various environments, and has a key. 2Size: Car auto battery switches has 2 brass terminals 5/16inch,2 mounting holes 3/16inch, and the round seat diameter is 2.35inch. 3Practical:Battery isolator switch helps isolate and secure the electrical system, eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely. 4Easy Installation: Battery isolator disconnect switch is easy to install, and can be used after being installed at the negative electrode of the battery. 5ABS Material: The 12V 24V power kill switch is made of ABS material, which is resistant to high temperature and can be used for a long time.Item Type: 12V 24V Power Kill SwitchMaterial: ABSOperating Voltage: 12V/24VNormal Working Current: 200ACrank Current: 1000A2 Brass Terminals: 5/16 inch2 Mounting Holes: 3/16 inchRound Seat Diameter: 2.35 inchScope of Application: Universal Type .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x12V24VPowerKillSwitch1 xKey Head