Battery-switch installation has never been easier than with the Marinco Power Products Pro Installer 400A EZ-Mount On/Off Battery Switch. With its shared interconnection height, the Marinco Power Products Pro Installer 400A EZ-Mount On/Off Battery Switch delivers the fastest, most compact installation. This premium battery switch sets the new benchmark with outstanding ergonomics, an intuitive look/feel, and engineering with the finest materials stainless steel washers and nuts, tinned copper studs, and fiber-reinforced plastics to withstand the harshest marine conditions. Waterproof to IP66, your Marinco battery switch features 3 removable sideplates for protection, and the industry-standard footprint. 3.85L x 3.85W. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Battery Accessories.