video intercom system 1>intercom, release door, monitor 2 ... view 3>IR CCD camera 4>CE, FCC,RoHS Video Intercom system for villa(CE,FCC,RoHS) SystemVideo ... 196(W0*55(H)mm NW:660gResolutionColor:420TV lines, B/W: 480TV linesMatch wayOne button can support up to 3 ... call among indoor phonesFunction1. Dual-talking; unlock; monitor; video intercom2. One button to individual room; power indicator; Infrared ...