Stanley 31173 Light Switch Remote Dimmer, Polarized 1-Outlet Indoor Dimming Remote Control 1 Polarized Outlet Turn on or dim a connected lamp with a convenient wireless remote transmitter Manual On/Off button and dimming control on the receiver Transmitter works through walls and doors- 80ft Range Command1 Expandable: Pair additional Command1 remotes and receivers. Select different channels for different areas around the home