Stanley 31174 Lamp Remote Dimmer Twin, Polarized 2-Outlet Indoor Wireless Dimming Remote Control. 2 Polarized Outlets Turn on or dim connected lamps 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