Audible Alarm Type Siren, Visual Indicator Type Strobe, Voltage 9 or 12V DC, Decibels 105 dB, Sound Pattern Continuous, Indoor/Outdoor Indoor, Mounting Wall, Height 4.875 in, Width 3.25 in, Depth 2.75 in, Vibrating No, Lens Color Green, Housing Material Polycarbonate, Color Green, Alarm Mini Controller