Audible Alarm Type Horn, Visual Indicator Type No Visual Indicator, Voltage 120V AC, Decibels 100 dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Conduit, Height 7.625 in, Width 6.5 in, Depth 6.5 in, Diameter 6.5 in, Vibrating Yes, Housing Material Aluminum, Rating NEMA 4X, Operating Temp. -35 Degrees to 150 Degrees F, Standards UL, CUL, NEC Class I, Division 1, Groups C, D, Class II, Division 1, Groups E, F, G, Class III, CSA, Amps 0.20 AC, Color Silver