For setting up an emergency call system for disabled toilets. Consists of: power supply insert, alarm signaling insert, signal button insert with pull cord and cancel button insert. Call activation via pull cord button. Optical and acoustic emergency call signaling outside the disabled toilet. Reassurance light when a call is activated. Cancel button to cancel the emergency call. Label field for button: 61 x 20 mm. Label field for power supply/alarm signaling insert: 61 x 61 mm. An emergency power supply is required for installations in accordance with DIN VDE 0834. No spreader. Screw fastening via keyholes. Incl. central disk.