Stamped brass/injection moulded nylon/polycarbonate.SPDT. 2.1cm x 2.5cm - 1.1cm . 20 Amps. 12 Volts. Ignition Protected, water resistant. Sea-Dog Line is a 3rd generation family company with a history of satisfied customers stretching back to the company's start in 1933. The company is the recipient of multiple industry awards for quality and efficiency.