Guest makes electrical products that stand up to the punishing marine environment. Every product made, from the rugged battery chargers and switches to a wide array of lights and spotlights, is designed to withstand the rigors of life on the water. Guest engineers each product to exacting performance specifications, including MARINE UL and CUL listings for an extra margin of safety. And as one of the world's leading manufacturer of battery chargers and maintainers, Guest offers a complete line of products to meet practically every application.