Single-family house kit Quadra with Mini Handsfree WiFi, SB2 Video Kit. This kit is fully pre-addressed in its delivery state and only needs to be installed and electrically connected. Additionally, there is the option to split the doorbell button via DIP switch code or to quarter it, allowing this kit to be expanded with additional indoor stations, audio or video, transforming it into a two-family or four-family house kit. A maximum of 4 audio or video indoor stations can be installed per participant. The Mini HF WiFi is equipped with a WiFi module that allows the indoor station to connect to your own WiFi home network. The Comelit app must be downloaded from the Google Play Store or Apple App Store, and the smartphone must be connected to the indoor station via smart registration. This enables video door communication, including audio communication, to be accessible over WiFi and 3G networks. This kit includes: 1x Quadra door station Art. 4893M for surface mounting, 1x power supply Art. 1209, 1x Mini Handsfree WiFi indoor station Art. 6741W, junction terminal Art. 1214/2C, and termination resistor Art. 1216. With the optional accessory item 4792E, the horizontal tilt of the Quadra door station can be adjusted by 25°.