The DOM4-24 offers all the functions of an alarm and evacuation system in a 19" module. It has interfaces to all input/output modules, manages and monitors the loudspeaker, and operates 6 zones.
System Sensor’s SSM Series alarm bells are low-current, high-decibel notification appliances for use in fire and burglary systems or other signaling applications.
This unique and patented device has been helping stop false fire alarms around the world for more than 25 years, without restricting legitimate alarms.