The Siemens SIRIUS Buzzer element 85 dB tone type has pulsating or continuous tone that can be adjustable.
Modules that can be flexibly combined: Can be stacked up to 4 high (for 8WD42) Simple connection and fast lamp change using a mechanically and electrically secure and vibration-proof bayonet catch Communications-capable via an AS-Interface connection LEDs with an exceptionally long life Extremely resistant to shock and vibration Customizable options: continuous, blinking and flashing light, buzzers, sirens and LED elements