Audible Alarm Type Horn, Visual Indicator Type No Visual Indicator, Voltage 120V AC, Decibels 110dB @ 10 ft, Sound Pattern Continuous, Indoor/Outdoor Indoor, Outdoor, Mounting Surface, Height 12.25 in, Width 8 in, Depth 8.25 in, Vibrating No, Housing Material Die Cast Aluminum, Rating IP 55, NEMA 3R, Operating Temp. -67 Degrees to 150 Degrees F, Standards UL S2635, CSA 005835X, Amps 0.27 AC, Color Gray, Signaling Device