The device is used to raise the alarm in an addressed fire alarm system and triggers an acoustic and visual danger signal in the event of a fire alarm. The device is mounted on the wall, e.g. along escape routes, corridors, stairwells and offices. The tones and light intensity are adjustable, the alarm devices are synchronized. The power supply is via C-NET, no additional power supply is necessary. The device automatically monitors its optical and acoustic function. , The base must be ordered separately.