NightBright USA Photoluminescent Exit Sign Black - Aluminum Code Approved UL 924/IBC/NFPA 101 Photoluminescent 50' Exit Sign Black (Includes 2 Removable Arrows) Does Not Require Electrical Wiring High performance photoluminescent signs. Only Requiered 5 ft Candle of Ambient Light ETL to UL 924 Meets Code UL 924 IBC 2012 NFPA 101 2012 100% USA Aluminum