Audible Alarm Type Horn, Visual Indicator Type Strobe, Voltage 24V AC/DC, Decibels 82 dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Surface, Height 4.5 in, Width 4.5625 in, Vibrating No, Lens Color Clear, Current Drawn 175 mA @ 24V AC, 125 mA @ 24V DC, Housing Color White, Housing Material Engineered , Light Output 50 CP, Standards UL, Amps 125 mA @ 24V DC, 175 mA @ 24V AC, Color Clear Lens, White Housing, Horn Strobe