High Quality-- Heavy duty metal case has strong weather resistance.The product is designed and manufactured in accordance with strict technical duidelines . It is produced in compliance with the most stringent quality standards. Fit for-- High current switches are generally suitable for vehicles, RVs, marine trucks, automobiles, RVs, trailers, boats, etc. Great Function-- high-current battery disconnect switch provides a power-off function for the electrical system, which can safely disconnect the battery and cut off the power quickly. It can make ships and vehicles have no power consumption when they are not in use. It can prevent the battery from draining and protect the battery. HIGH CURRENT--The kill switch is rated to 200 Amps continuous load dutyused for 12-48 VDC systems to isolate and secure the electrical system. Easy To Install And Use--This battery disconnect switch is easy to install, the knob is detachable, and there is a switch indicator on the panel. When the handle is turned, the spring will make a clear click, which can be used to confirm whether the battery is successfully disconnected or working.