Watertight molded plug and connector Heavy duty, super flexible marine-grade cable (6 gauge) Includes standard threaded ringCorrosion resistant, nickel plated contacts Power Indicator Light: Boat side connector with molded-in LED light. Glows red when you have powerContour Grip with Thumbprint Locator ParkPower Easy Lock system: quickly locks the cord set to the inlet Female Connector: 50A/125V Locking. Male Plug: 50A/125V, 3-Pole, 4-Wire RV