Item Type: Battery Disconnect Switch Material: ABS and Brass Operation: DC 12-24V system Rated Current: 200A Installation Aperture: Approx.38mm/1.5in Working Ambient Temperature: -40 to 80 Usage: Used for battery isolation and protection of electrical systems Package List 1 x Battery Disconnect Switch 1 x Chain 1DC1224V System: This battery kill switch is used in DC1224V system and can be used alone or locked together with other switches 2Function: This switch is used for battery isolation and protection of the electrical system, eliminating power drain from the battery when the vehicle or boat is not in use, safely disconnecting the battery 3Long Service Life: The battery disconnect switch has stable performance, can prolong the life of the vehicle or boat, which is safe and durable 4ABS and Brass Material: The power kill switch is made of high quality ABS plastic and brass nut washer, features good rust and corrosion resistant 5Application: The battery isolator switch is widely used in automobiles, vehicles, RVs, boats and electrical equipment, etc.