Sell Color Door Entry System CM-06DNS5V1

Detailed Selling Lead Description 1). One door station can support up to 4 indoor phones. If needed, it can be extended to 2 door   stations support up to 4 indoor phones.
2). Hands-free indoor phone, remote door unlocking
3) .LED in the door station provides a clear picture even in nighttime
4) .Surface-mounted design. Color 5' TFT screen
5) .30 seconds ring tones are available, 30 seconds active surveillance, 120 seconds intercom
6). Double ding-dong rings
7). Dimensions:
a). For door station: 128 x 94 x 32mm
b). For indoor phone: 220 x 150 x 25mm