Classic pass-through letterbox for the in-home bus with stainless steel front, V4A brushed. The flush-mounted housing GU CL BD2V130 01 B-0 is required for flush-mounting. Components: . Camera CBCM 653-. with automatic day/night switching (True Day/Night) and integrated infrared lighting. Horizontal/vertical detection angle: approx. 130°/100° . 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 . 1 letter slot flap