[Ready to Go] Dewenwils wireless remote control switch for quick installation and working immediately, no programming or setting required; On Off button switch, replacing the original switch; suitable for people with limited mobility, saving time and energy, life is easier [100ft Strong RF Signal] Wireless Remote Control Outlet RF signal works through walls and doors without any interference; up to 100ft range in open areas; does not require line of sight between the remote controller and outlet plug with the individual ON/OFF button [Compact 3-Prong Remote Outlet] Compact size (2.13"x1.3"x3.07") remote control outlet switch takes up 1 wall socket only, leaving other power outlets available; smaller than most of the other indoor wireless outlets; new concise design fits any room decor [Extend Your Remote System] Programmable and expandable, you are free to add additional Dewenwils remotes, plugs and light sockets (same model only) to expand your remote control switch