Specification :
Fire Alarm Bell
* Low current, high decibel notification.
* Provide loud resonant tones.
* Simplified Installation, come pre-wired to reduce installation time.
* Design for use with supervision circuitry.
* Appliances for use in fire and burglary systems or other signaling applications.
* Bells shall be listed for indoor/ outdoor use by Underwriters Laboratories and the California State Fire Marshal, and approved by Factory Mutual and MEA.