"Tel-Bel" by Cooper/Wheelock

 Other Items from Bells/Sirens/Strobes

  Multi-Tone Paging Generator - Add multiple contact-controlled audio tones to paging systems or 600 ohm inputs.
  8 OHM Paging Horn - This is the best for outdoor, factory or warehouse environments
  8 OHM Ceiling Speacker - Perfect for office and restaurant environments
  Clock Generated Tone-Timer - This is a clock controlled tone generator designed to provide accurately timed alert tones or buzzer sounds over an existing paging system.
  Siren Driver-JDS108 Eight Sounds - 6-18VDC
  Bi-Directional Horn - 
  Alarm Strobe by Elk - Not for Fire Alarm use
  Outdoor Stainless Steel Sirens/Speakers - Shown with optional SL1 Strobe
  15W Indoor Surface Mount Speaker or Siren - Our most popular indoor speaker
  Telephone Horn and/or Strobe Sounder - Choose from Horn, Bell, Vibrating Chime or Single Chime Sounds
  15W Indoor Flush Mount Siren or Speaker - Low profile 15W Speaker or 2-Tone self-contained siren version