The one-man Rocker Switch/2 Relay Kit is the consummate to activity 2 light-armed fixtures with one switch without needing to run fresh wire. This kit ONE self-powered one-man rocker radio light-armed switch and TWO RF relay -LRB- non-dimming -RRB- receivers. The light-armed switch already pre-programmed to the receivers. To use these radio light-armed switch kits, the relay is simply behind the light-armed fixture that it will be controlling. The relay a signal from the rocker switch that it is programmed to when the switch is pressed. There a bitty amount of energy created when the rocker switch is pressed so it is a self powered system that requires no batteries. Using this kind of technology time because you do n't need to fish wire or knock through walls. These kits can be used in galore assorted configurations. If you wish to activity more lights with one switch, you can more relays. added relays can be from our amazon store -LRB- item B01NAUR0EQ -RRB-. If you wish to activity a light-armed from double locations, you can more switches. added switches can purchased from our amazon store -LRB- item B01ILQ7PNO -RRB- If you would like to see a picture on how these radio light-armed switch kits are used and installed, check out this youtube picture at : https://www.youtube.com/watch?v=Ia0YmB55CX0 Also, here is a link to a picture from a best-selling home improvement show that highlights the radio switch kit : https://www.youtube.com/watch?v=chHEgbf0baw&t=12s These radio switches are eminent for log cabins ! . We these radio switch kits in a variety of different colors including grey-haired, dark-skinned, chromatic, ivory, and light-armed sweet almond. We also different radio switch kits acquirable so be confident to check out our different Home Improvement listings ! . us if you have any questions or need assistance ! .