Audible Alarm Type Fire Alarm, Visual Indicator Type No Visual Indicator, Voltage 25/70 Vrms, Decibels 87 dB, Sound Pattern Continuous/Pulse, Indoor/Outdoor Indoor, Mounting Ceiling, Height 6.75 in, Width 3.7031 in, Depth 3.7031 in, Vibrating No, Housing Material Plastic, Operating Temp. 32 Degrees to 120 Degrees F, Standards UL, ULC, CSFM, FM, Amps 0.26, Color Red, Watts 0.13 W, 2 W, Speaker