Audible Alarm Type Bell, Visual Indicator Type No Visual Indicator, Voltage 120V AC, Decibels 92 dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Surface, Height 7.125 in, Width 7.125 in, Depth 3.6875 in, Diameter 7.125 in, Vibrating Yes, Housing Material Steel, Standards UL, FM, CSFM, Amps 0.070A, Color Gray, Bell