The Lutron L-SMNT-WH is a shelf-mount adapter that houses the RadioRA 3 All-in-One Processor for freestanding or wall-affixed installation in equipment closets and utility spaces (Processor sold separately). The adapter is powered via PoE over any Cat5e cable; where no compatible PoE switch is present, the L-POEI-BL injector kit is required (sold separately). Finished in white.