Video Door Phones

High-performance CCD camera, with infrared illumination, you can easily identify visitor even in backlighting or the luminance is as low as 0.1 Lux. Noctilucent keyboard. Visual extensions are endued function of voluntary monitoring. Individual unlocking control circuit ensures the reliable unlocking. One doorway system connects up to four indoor extensions. Two more doorway systems could be added. The CMOS camera could be used in the doorway systemupon the user'srequirement