Etekcity 3 Pack Wireless Controlled Electrical Switch Socket Outlet with Remote (Battery Included) with 3 pack One Foot Extension Cable Use this remote control switch to control any lamps or small appliance plugged into an AC outlet Operates on radio frequency - will perform through walls, doors and floors up to 60 feet away; no line of sight needed. Plugs into any standard wall outlet Comes with 3 outlet units and 1 controller-turns on three (3) appliances Ideal for holiday decorations, hard to reach lamps, and great for the mobility impaired Extension cables included to allow you to not block both outlets.