Attributes . The Caseta Wireless In-Wall Switch works with up to 6 Amp of lighting (LED/incandescent/halogen/ELV/MLV), and 3.6 Amp of general-purpose fans. Neutral wire required. For 3-way applications, existing 3-way switches or Pico Remotes can be used with this switch. 4-way or multi-location applications require Pico Remote controls. Replace the existing switch with a Pico remote control and wall plate adapter to switch from every location (PICO-WBX-ADAPT sold separately). Use the Lutron Smart Hub (L-BDG2-WH) to co . Names