PATLITE BD 24AE J audible alarm :

Audible Alarm, 80mm Sq, 24VDC, Beige,32 Pre-Recorded Sounds, 90db, IP54. The BD Series can play melodies, chimes and alarms with variable audible control and a compact, but loud speaker.
The BD Series can play melodies, chimes and alarms with variable audible control and a compact, but loud speaker.

Features:

• Maximum output level of 90dB (at 1m).
• 32 pre-recorded sounds in one unit to be used for various applications.
• Sound output level and sound group can be selected by rotary switches stored behind the front panel for easier operation, even after installation.
• Select a sound group to playback 4 pre-recorded sounds.
• A new sound group can be created from the 32 sounds by using an optional memory card (sold separately).
• Has the CE mark and conforms to the requirements (for 12V/24V type) for the EC directive.
• Binary input controlled 15 sound playback model.
• PNP open collector transistor type.