This is an AC Port Plug with an integrated extension cable (16 Inch) that offers optimal flexibility and ease of installation. It can mount to the exterior of any vehicle to make the charging port more accessible. Quickly plug-n-play with any extension cord. It requires zero cable modifications or hard wiring. Its sleek, ultra low-profile design works seamlessly on any application and features a snap-fit cap for a watertight seal. Perfect for engine block heaters, battery chargers, home improvement and much more - it has endless possibilities. Rated for use at 15 Ampere, 125 Volt, UL certified and fits into any standard 2 Inch hole size.