Bticino 352100 call button module Sfera New with 8 call buttons

Call button module with 8 call buttons (2 rows) for use with the audio door speaker modules Art. 351000-351100 or with the video speaker modules Art. 351200-351300. Connection of additional call button or information modules via the connection cable supplied. Note: When using this call button module, the jumper (J1) must be pulled on the speaker modules Art. 351100-351200-351300.