Manufacturer: PUI Audio  •  RoHS/pb-free: RoHS   Pb-free  •  Series: Projects Unlimited, AW  •  Size / Dimension: 113mm Dia x 27mm H  •  Voltage Range: 10 ~ 28VDC  •  Voltage - Rated: 24VDC  •  Ingress Protection: IP54 - Dust Protected, Water Resistant  •  Color: White  •  Features: Volume Control  •  Mounting Type: Base  •  Operating Mode: 32 Selectable Tones  •  Termination: Screw  •  Operating Temperature: -25°C ~ 70°C  •  Weight: 0.331 lb (150.14g)