EDWARDS 340-4N5

Round Vibrating Gong Type; 4-1/2 Inch Diameter X 2-13/22 Inch Depth Size; UL 464, CSFM, FM Approval; Office, Factory, Heavy Machine Shop Application; 120 Volt AC at 60 Hertz Voltage Rating; Octagon Box/1-Gang Box/Square Box/Surface Mounting