Four-family house kit Switch with Mini Handsfree Wi-Fi, SB2. This kit is completely pre-addressed when delivered and only needs to be installed and connected electrically. A maximum of 4 audio or video indoor stations can be installed in master/slave mode per user. The Mini HF WiFi is equipped with a WiFi module that allows the indoor station to be connected to your own WiFi home network. The Comelit app must be downloaded from the Google PlayStore or Apple AppStore and the smartphone must be connected to the indoor station using smart registration. This means that the video door call including audio communication can be accessed in the WiFi and 3G network. This kit consists of: 1x front panel switch Art. IX0104, 1x flush-mounted housing Art. IX9150, 1x loudspeaker video Art. 4681/4, 1x power supply Art. 1210A, 1x indoor station video mini HF WiFi Art. 6741W, 1x branch terminal Art. 1214/2C and 1x terminating resistor Art. 1216.