The Somfy Centralis Indoor RTS is an in-wall radio receiver for Somfy RTS control applications. The article list identifies it as a radio remote-control receiver, while the German description states Somfy In-Wall Receiver RTS and Funkempfänger. It is supplied as one piece under AV Stumpfl article BRZ-S-RC-IWR-RTS. The listed net weight is 0.06 kg. No dimensions, video interfaces, or accessories are specified.