Door phone Color Features Intercom function. Talk back from door station to monitors and monitors to door station. Connection. High-performance CCD camera (CMOS camera optional), with infrared
illumination to easily identify visitor even at 0.1Lux. Up to 4 monitors can be connected with the door station. COLOR system is selectable. Various kinds of general COLOR displaying could be
selected for monitors. Dual conversation between door station and monitor. Power supplier: adapter plug-in.Item Specification Image Sensor 1/4