WHEELOCK TB-593 Loud Bell Aluminum bell housing Loud, Up to 95+ dB ring Shell Size: 6 Inch Diameter Rings from any standard size RJ-11 telephone line NO AC Power required Perfect for Indoor or Outdoor use Includes Weatherproof backbox Motor Driven Tamper resistant volume control Screw terminal connections and RJ-11 plug Integral RFI suppression Ringer Equivalence Number (REN): 1.
6A Approvals Include: TB-593 is UL Listed Dimensions: 6.
062 INCH Diameter x 4.
21 Depth Features: Volume Control Knob : Yes Dimensions (LxWxH) : 6.
5 inches x 6.
5 inches x 5 inches Weight : 2.
45 lbs Recycled Packaging : Yes RoHS Compliant : No Type of Packaging : Brown Box Warranty : 30 day