* 1.2-wire digital video doorphone system, Power / Color video / Two-way handsfree communication / Door release / Door status Indicator/ Monitoring / Calling all these functions are through
* 2-wire system. (A realize 2 lines (power line free) 2.System basic framework: Main entrance camera(max. capacity is 4 cameras) / Control center/ Door bell camera(for apartment door, max.capacity is 4 cameras)/ Main monitor / Sub-monitor/ Audio handset.
* 3.There are 2 kinds of main cameras for choosing - digital and key pad type. SUS304 stainless steel or aluminum front panel, strong structure and elegant appearance.
* 4.Main camera / Door bell camera with built-in ir LED , the ccd will automatically change to black-white picture and ir LED light on when the dark night is coming , let you see the visitor easily .
* 5.Main camera with built-in contact for connecting door lock.Door status indicator can let tenant to know whether the door of main camera is close or not. The open door time can be adjusted from 2 sec. to 15 sec. depends upon tenant's requirement.
* 6.LCD wide visual angle LED TFT monitor, follow the trend of energy saving & carbon reduction ,support green energy development .