Audible Alarm Type Horn, Visual Indicator Type No Visual Indicator, Voltage 120V AC, Decibels 78 to 103dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Surface, Height 5 in, Width 5 in, Depth 2.125 in, Vibrating Yes, Housing Material Heavy Duty Die Cast, Features Completely Assembled, Corrosion Resistant Finish, Standards UL Listed, Amps 0.13, Color Gray, Includes Adaptaplate, Vibrating Horn