The AARC-EVAC™ ARX92-W, ARX93-W & ARX94-W Outdoor, Solar, Standalone
Wireless Linked Emergency Alert Siren & Message Broadcast Units, incorporates an
in-built Battery Backup UPS with a Solar Power Supply. 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 a full standalone network of
units to provide for redundancy if the PA system fails for any reason.