Audible Alarm Type Alarm, Visual Indicator Type No Visual Indicator, Voltage 12/24V AC/DC, Decibels 0 to 105dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Surface, Height 4 in, Width 3.5 in, Depth 2.8281 in, Vibrating No, Housing Material ABS Plastic, Rating IP 54, Operating Temp. 14 Degrees to 122 Degrees F, Standards UL,CSA, CE, Amps 0.280 AC, Color Black, Includes Rotary Dials for Volume Control and Selection from 16 t, (4) Input, Watts 6.7 W, Electronic Alarm