Audible Alarm Type Horn, Visual Indicator Type No Visual Indicator, Voltage 120V AC, Decibels 78 to 103dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Panel, Height 4.625 in, Width 4.625 in, Depth 1.875 in, Vibrating Yes, Housing Material Heavy Duty Die Cast, Rating NEMA 4X, Standards UL, Amps 0.13, Color Gray, Vibrating Horn