The new Mastervolt Masterbus 77030500 Multipurpose Contact Output Interface is a versatile interface designed for use with batteries in a boat setting. With a compact width of 2.60 inches, this product allows for easy installation and offers a reliable solution for connecting and outputting power. The product comes from the trusted brand Mastervolt and is manufactured by Seawide Marine Distribution, Inc. Though it does not come with a warranty, this interface provides a valuable addition to any boat's electrical and lighting system for fishing equipment and other purposes.