Audible Alarm Type Horn, Visual Indicator Type No Visual Indicator, Voltage 12 to 24V DC, Decibels 70 to 88dB, 88 to 99dB, Sound Pattern Continuous/Pulse, Indoor/Outdoor Indoor, Mounting Wall, Height 5.25 in, Width 5.25 in, Depth 2 in, Vibrating No, Housing Material Plastic, Operating Temp. 32 Degrees to 120 Degrees F, Standards UL, MEA, CSFM, FM, BFP, cUL, Amps 0.10, Color White, Multitoned Horn