Female marine to 30A RV male with LED pigtail. Pigtail adapters are used to convert plug sizes. These adapters also come with Furrion's Powersmart System and are made to the highest quality standardsfor long life use. Features: Furrion's Pullsmart System. Plug end has side grips for easy, user friendly connection. Furrion Part# FP5030R-SB.