Audible Alarm Type Buzzer, Visual Indicator Type No Visual Indicator, Voltage 24V AC/DC, Decibels 80 dB, Sound Pattern Pulse, Indoor/Outdoor Indoor, Outdoor, Mounting Surface, Wall, Height 2.3281 in, Width 2.0469 in, Depth 0.9375 in, Diameter 2.0469 in, Vibrating No, Housing Color Black, Housing Material Polycarbonate/ABS Blend, Flashes per Minute 0, Rating IP 65, Operating Temp. -4 Degrees to 122 Degrees F, Features Easy Connection Via Connector Plug