From Fire-Lite Alarms, Inc., Audio Command Center 25/50 is a versatile single or dual channel emergency voice evacuation control panel. With field-programming options, including the capability of five custom messages (fire, tornado, evacuation, hazmat and non-fire), technological enhancements include full supervision in both active and standby conditions, set the ACC-25/50 apart from other EVAC panels. The ACC-25/50 is suitable as standalone or as an adjunct to most UL listed addressable or conventional fire alarm control panels.