See and talk to your visitors before letting them in with the 7″ DHI-VTH1550CH Color Indoor Touchscreen Video Intercom Monitor with RJ45 connection from Dahua Technology. Designed to integrate into your home’s IP surveillance system, this surface-mounted 7″ capacitive touchscreen monitor enables you to view the feed from a camera (available separately) outside your door live and in full color, at resolutions up to 800 x 400. The monitor’s built-in speaker and omnidirectional microphone allow for two-way voice communication with visitors. The indoor monitor communicates with IP cameras, electric locks, and other devices in your home security system over 10/100 Mbps Ethernet interface. A microSD card (available separately) can be added to the monitor for local storage of up to 32GB worth of video and images shot by your IP cameras via the intercom. An alarm interface with six input channels offers the convenience of integrating your alarm and intercom systems.