?One door station can support up to four indoor phones.If needed,it is accepted to connect with two door station through switch;
?Hands-free indoor phone, remote door unlocking.
?LED in the door station provides a clear picture even at nighttime.
?Surface-mounted door station. Color 4'TFT and B/W display are optional.
?30 seconds ring tones are available,30 seconds surveillance, 120 seconds intercom.
?Double Ding-Dong ring and chord are opional, pin hole door station.
?Heavy duty anti-vandal and water-proof door station.