The Blue Sea 6006 Systems m-Series Mini On-Off Battery Selector Switch in Red is a marine-grade switch that operates at a working voltage of 12-48V. It has a cranking rating of 900A and a continuous rating of 300A, with an intermittent rating of 500A for 5 minutes. The switch type is single circuit ON-OFF with 2 switch positions. Made of plastic and metal, it features a red knob for easy identification and operation. The switch includes a 3/8" terminal stud size and comes with a 6-month warranty. Ideal for marine applications, this product ensures reliable battery selection and management on boats.