1)one door station can support four indoor phones at most. Illuminating infrared in door station provides clear picture even in the nighttime.
2)audio indoor phone compatible.
3)handset dual talking, supervising, intercom and remote unlocking.
4)b/w or color optional.
5) surface mount type for indoor phone
6) flush mount for door station.
1)one door station can support four indoor phones at most. Illuminating infrared in door station pro