Classic door station for the in-home bus with stainless steel front, V4A brushed. The flush-mounted housing GU CL 06-0 is required for flush-mounting. Components: . Code lock CCOM 611-. as an input unit for access control and for making door calls . Door loudspeaker CBTLE 050-. with integrated loudspeaker and microphone, voice volume adjustable . 1 call button with backlit nameplate, replaceable on the front, acoustic feedback can be activated when a call button is pressed