This product is a device based on TCP/IP protocol and KNX protocol, it is a main device for building intercom system which support video intercom, defense zone setting and standby picture tweeting (under standby mode). In addition, it can also control KNX device connected to the system, for example, ON/OFF lights, enable/disable scene, dimming, shutter/blinds control, HVAC control et., it supports not only KNX functions in listed page but also in map view.