Hi Mati, Thanks for feedback, i will have some professional electrician...hope to find them  and about FIBARO local dealer....they just sell....never mount some   so i'm on my own!     Hi TRicky, Thank for reply.    1. Since i project entire building to have a technical room, i plan to use it. Let me explain why. All modules for smart home become better and better every day, and in near future we will move to next technology, maybe z-wave extra or what w