For triggering alarm messages, e.g. in a disabled toilet. With reassurance light and control display via LED. With RED pull cord, length 2.5 m. Actuation feedback (individual/group triggering) can be selected via internal jumper. An emergency power supply is required for installations in accordance with DIN VDE 0834. No spreader. Screw fastening via keyholes. Replaceable red and green inlays for individual marking of the control button are available.