USB/Multi-Outlet Charging Station converts an existing duplex receptacle to a 3 AC (Alternating Current)/4 USB (universal serial bus) outlet with a surge protector. USB output is compatible with tablets, smart phones, and other devices. Built-in cable management reel helps keep cords organized and off the floor. Accommodates up to 7 appliances/devices while providing surge protection. Dimensions: 7-1/2" x 6" x 1-3/4".