The Marinco Power Cord Plug Cord Set has an LED power indicator light for a quick visual check of power. The Marinco Easy Lock Ring System make connections easy. A simple 1/8 twist provides a fast, positive watertight connection. High quality marine-grade construction includes a super flexible 10/3 cable. Designed with contour grip ends and thumbprint locator to easily line up connection. 50' cord. Five-year warranty.