The GCP1EX is an AC port plug power inlet and waterproof electrical outlet with a 12-foot integrated outdoor extension cord that offers optimal flexibility and ease of installation. It works with any extension cord and requires no cable modifications or hand wiring. Its sleek ultra-low-profile design not only works seamlessly on any application but includes a pressure-fit cap for a watertight seal. And it makes onboard battery charging ports engine block heaters or outdoor electrical outlets more accessible than ever before - giving you endless possibilities. Rated at 15-amps 125-volts (14AWG) designed for use with all types of extension cords with Type-B plugs and UL approved. Ideal for car boat marine truck trailer pickup RV industrial and electrical applications.