16 gauge, 13 Amp Rating, 25 feet. Secure water-resistant electrical connection. The revolutionary LOCKNDRY outdoor/indoor detachable power supply cord provides a weather-resistant seal while keeping the connection firmly secured. The specially designed plug on the LOCKNDRY cord fits any standard outlet, but when mated with a LOCKNDRY compatible power cord, the large black nut pulls the plug tight against the gasket to form a water-resistant seal. The red nut then locks everything in place and prevents cord separation. The LOCKNDRY is great as an all-purpose extension cord, too.