CHUBB EDWARDS 5520-AQ 0.35Amp 24VDC; 0.85Amp 24VAC Edwards Multi-Tone Duotronic Electronic Signal

Low-current, extremely high decibel, high-performance signalling device designed to function either as a horn or as a siren. Horn may be coded or used as continuous alarm. All solid-state (no contacts to wear out). Eliminates excessive start-up current. High decibel sound output (112 to 114 dB at 10 feet). Easy Adaptaplate installation (fits any single-gang opening, square or octagon boxes or equivalent fittings). Directional megaphone swivels 180 degrees horizontally; 90 degrees vertically.