Audible Alarm Type Horn Visual Indicator Type No Visual Indicator Voltage 120V AC Decibels 0 to 110dB @ 10 ft Sound Pattern Continuous Indoor/Outdoor Indoor Outdoor Height 12.25 in Width 7.3125 in Depth 8.5 in Diameter 8 in Vibrating No Housing Material Die Cast Aluminum Rating NEMA 4X Operating Temp -67 Degrees to 150 Degrees F Standards NEC Class 1 Div. 2 Groups A B C D Class II Div. 2 Groups F G Class III UL cUL Amps 0.67 AC Color Gray Signaling Device