Can I replace a pre-existing BTicino 2 wires internal unit?

It is possible to replace the current video Home + Security unit with the Classe 300EOS with Netatmo:
Villa or mono & two-family context: replacement without modification of the video door wiring Multi-family condominium or context: depending on the characteristics of your system, it might be sufficient to replace the apartment station or it could be necessary to add a dedicated power supply cod.346020For the sizing of multi-family systems, refer to the General Installation Rules of the 2-Wire System Technical Guide