The Battery Backup Siren is outfitted to receive alarm calls from a dry contact switch and is also wired to repeat an alarm call.

The primary purpose of a battery backup siren is to ensure that the alarm system remains functional and can continue to emit sound even when there is no electrical power supply.

Battery backup sirens are commonly used in security systems, fire alarm systems, and other applications where reliable and continuous operation is crucial.
DSW is an engineering and manufacturing company that specializes in developing and producing a range of battery backup sirens for various applications. Their expertise lies in creating reliable and effective sirens that incorporate backup power capabilities to ensure continuous functionality.