Stanley 31181 Outdoor Remote Control, Grounded 1-Outlet Outdoor Remote Control 2pk 2 pack remote control system. Turn lights and other electrical devices on/off with a convenient handheld wireless transmitter. Control each receiver individually from a single transmitter Transmitter works through walls and windows- 80ft range Built in Photocell option turns receiver off at dawn even if you forget Command1 Expandable: Pair additional Command1 remotes and receivers. Select different channels for different areas around the home