Emergency lighting PTS (Photoelectric Test Switch) option allows maintenance personnel to manually test difficult to access emergency lighting equipment. When a conventional spotbeam flashlight (not supplied) is aimed the PTS sensor located on the bottom of the unit, the unit will transfer into emergency operation. Depending on the intensity of the flashlight, testing can be accomplished at distances of up to 30 feet away. THE UNSEEN SOLUTION Virtually Invisible Emergency Lighting The Retract-Lite goes virtually undetected, blending into any environment. When AC fails and the lights go out, that’s when the Retract-Lite emerges to illuminate the path to safety. |Emergency lighting|Exit signs|Life safety products|manufacturer emergency lighting|

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