Video Intercom System GAI-313 Video Intercom System 4'' flat B/W CRT monitor. CMOS camera,handset,audio and video communica

Detailed Product DescriptionVideo Intercom System 4'' flat B/W CRT monitor. CMOS camera,handset,audio and video communication. 

Video Intercom System

1. 4'' flat  B/W CRT monitor.

2. CMOS camera,handset,audio and video communication.

3. unlock, intercom, call other monitors, monitor outside

4. 6 LED lights,External power adaptor.

5. Connection: 4  wire (Up to 5 monitors)