MG Digital Kit One door station can support up to four indoor phones. If needed, it can be extended to two door stations supporting up to four indoor phonesHands-free indoor phone, remote door unlocking. LED in the door station provides a clear picture even at nighttime. Color TFT screen, 5'or 5. 6' size are available. 30 seconds ring tones are available, 30 seconds surveillance, 120 seconds intercom. Double Ding Dong Ring and chord are optionalAC power or outside for indoorphone is optional
MG Digital Kit One door station can support up to four indoor phones. If needed, it can be extended