Single-family kit with ULTRA audio/video external unit and number keypad, multi-user gateway and one master licence for ViP system. Suitable for installation in homes, commercial properties or offices. The kit can be expanded with other products in the ViP catalogue. When used in conjunction with the Comelit App (available to download free of charge from the Google and Apple stores), it can be used to answer calls directly from your smartphone/tablet, both locally and remotely, and to share virtual keys in number form or QR codes for opening the entrance door lock. The kit includes: 1 art. UT8020 - ultra IP audio/video module, 1 art. UT9172 - wall housing for 2 ultra modules, 1 art. UT9279M - ultra number keypad module, 1 art. 1456B - multi-user gateway for ViP system, 1 art. 1456B/M1 - single master licence for 1456B supplied on USB device, 1 art. 1441B - 30W power supply unit.