Audible Alarm Type Bell, Visual Indicator Type No Visual Indicator, Voltage 6V DC, Decibels 83 dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Wall, Height 7 in, Depth 5 in, Diameter 6 in, Vibrating Yes, Housing Material Steel, Rating NEMA 4, Features Completely Assembled, Weatherproof, Standards UL Listed, Amps 1.52A, Color Gray, Bell, Hazardous Class I, II, III, Hazardous Division 1, 2