Edwards Signaling's Catalog describes our complete line of electronic audible and visual signals for indoor, outdoor, and hazardous locations including two-line Workstation Message Centers, Chameleon LED multi-status indicators, industrial weatherproof and marine-rated hazardous location beacons, and outdoor-rated hazardous location bells and horns. In addition, the catalog details Edwards' full line of fire alarm devices, appliances, and panels as well as door holders, door releases, contact devices, and annunciators.