The reliable Glo Brite Safety Guidance System is a complete system of photoluminescent safety components essential to a comprehensive emergency evacuation route. Non-electric, non-toxic and non-radioactive, the Glo Brite Safety Guidance System absorbs and stores ambient light that is immediately visible in the event of a blackout or heavy smoke conditions due to fire. NYC Compliant Ref. # 2.2.6 and 2.2.7., MEA 239-05-M.