A) CI4-DALI is powered from a DALI bus and has 4 potential-free inputs that you can freely configure in the Casambi app.

B) You can also add the switch inputs to your DALI network and reach and operate connected DALI addresses, while operation via the Casambi app remains possible.

C) a mix of A) and B) is possible, for example 2 push buttons that are configured in the Casambi app and the other push buttons are linked to DALI addresses.