The DSC SD-15WULF is a self-contained, surface-mount (no tamper) dual-tone interior siren. When power is applied to the alarm siren, it produces an audible steady or yelp tone according to the wiring.
Rated Power Supply: 12VDC (Special Application)
Operating Current: 380mA Surge Current: 404mA Peak Current: 392mA
Sound Pressure Level: 82dB at 10 feet; 90dB at 3 meters
Dimensions: 110mm x 110mm x 55.2mm (H x W x D)