Button module for Ultra door station, compatible with all systems. Preparation for up to 8 call buttons. Made of high-quality plastic with a coating to prevent yellowing and matting. To be supplemented with 4 single buttons (4 participants) UT9211, UT9211M, UT9211FM and / or 4 double buttons (8 participants) UT9212, UT9212M, UT9212FM or with blank cover UT9221, UT9221M. Automatic switch-off of the background lighting in daylight by the twilight sensor of the matching loudspeaker module audio or video. White lighting. Dimensions: 100x90x35mm
