Suitable for installation in homes, commercial properties or offices. 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. 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.