Easily add and/or move switches in your home with the Levven wireless switches and power controllers. To install, wire the GPC10 On/Off Power Controller into the circuit you want to control, pair the wireless switch to the power controller, then place the included wireless switch anywhere in your home. The switch can be mounted over existing switch boxes (e.g. device or gang boxes) or placed on any surface using the provided screws. Levven wireless switches lay flat on the wall with no bulge.