Industrial Indoor/Outdoor Telephone Bell Ringer : TEC49 (1) by Philmore LKG

Loud telephone bell for noisy areas such as factories, farms, garages, lumber yards, etc. ABS molded housing is weather resistant for outdoor use. FCC registered. Sound level: 85 dB, plus or minus 5 dB. Dimensions: 10" x 5-1/2" x 5-1/2"
Loud mechanical bell for noisy environments
Ideal for farm, factory, lumber yard, garage, etc.
Weather resistant molded housing for inddor or outdoor use
Powered by telephone line and uses modular jack for simple installation
Will not work with VOIP telephone systems