Audible Alarm Type Horn Visual Indicator Type No Visual Indicator Voltage 24V AC Decibels 97 dB Sound Pattern Continuous Indoor/Outdoor Indoor Outdoor Mounting Wall Height 4.875 in Width 4.875 in Depth 3.3125 in Vibrating Yes Housing Material Heavy Duty Die Cast Rating NEMA 4X Operating Temp -13 Degrees to 104 Degrees F Standards UL Amps 0.625A Color Gray Hazardous Location Vibrating Horn Hazardous Class I II III Hazardous Division 1 2