The AARC-EVAC™ ARX82-FB, ARX83-FB & ARX84-FB Standalone Wireless Linked Emergency Alert Siren & Message
Broadcast Units with Flashing Beacons , incorporates an in-built 110-240V Din Rail mounted Power Supply and Battery
Backup UPS. They are fully self-contained making them ideal for use in locations where there is no existing PA system, or
to cover areas not serviced by a PA system or as part of a full standalone network of AARC-EVAC units to provide for
redundancy if the PA system fails for any reason.