IDEAL FOR USE IN OFFICES SCHOOLS AND WAREHOUSES. PROVIDES 90 MINUTES OF BATTERY BACK-UP LIGHTING DURING POWER FAILURE. IMPACT INJECTION MOLDED WHITE ABS HOUSING IS FLAME RETARDANT AND RESISTS DIRT DUST AND MOISTURE. UNIVERSAL MOUNTING PLATE FOR EASY INSTALLATION. INCLUDES A MAINTENANCE FREE NI-CD BATTERY WITH LED INDICATOR PUSH TEST SWITCH AND 120/277 DUAL VOLTAGE INPUT. MEETS NFPA 101 NEC AND OSHA REQUIREMENTS; UL 924 LISTED. LISTED FOR USE IN DAMP LOCATIONS. EXIT SIGN FEATURES 6""H POLYCARBONATE EXIT"" SIGN IN RED. THIS EXIT SIGN CAN BE USED AS SINGLE FACED OR DOUBLE FACED AND MOUNTED ON THE BACK END OR TOP. CULUS APPROVED.