ICCTVZONE DAHUA Video Intercom Including IP Video Intercom, Wi-Fi Video Intercom, 2-wire Video Intercom, and analog-based solutions for houses, small apartments, and large apartments. ICCTVZONE DAHUA Video Intercom builds a communications solution between visitors, home owners, and property management centers, the management system comes in both a PC client and mobile app. This makes it convenient for security guards to manage an entire residential community with the PC client while residents can receive answer the door from anywhere through our intuitive mobile app. various product types are available to satisfy different installation requirements.