EMERGENCY LIGHT/EXIT COMBINATION UNIT - 120/277V EMERGENCY LIGHT/EXIT COMBINATION UNIT SAFELY MARK ALL EXITS AND LIGHT DIM HALLWAYS EVEN IN POWER FAILURES. ADJUSTABLE LED LAMP HEADS PERMIT PRECISE LIGHT PLACEMENT FOR EFFECTIVE ILLUMINATION. HOUSING RESISTS IMPACT SCRATCHES AND CORROSION FOR LASTING PERFORMANCE IN COMMERCIAL AND INDUSTRIAL ENVIRONMENTS. NI-CAD BATTERY PROVIDES UP TO 90 MINUTES OF ILLUMINATION WHEN POWER FAILS AND AUTOMATICALLY RECHARGES AFTER USE. ADDITIONAL FEATURES INCLUDE TEST SWITCH AND STATUS INDICATOR TO MONITOR SYSTEM. UNIVERSAL MOUNTING PLATE AND J-BOX PATTERN OFFER QUICK EASY INSTALLATION ON WALL OR CEILING. UL LISTED AND MEETS NFPA NEC AND OSHA REQUIREMENTS.