Etekcity 5 pack Wireless Switch Socket Outlets with Remote With 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 5 outlet units and 1 controller-turns on five (5) appliances Ideal for holiday decorations, hard to reach lamps, and great for the mobility impaired Extension cable included to allow you to not block both outlets.