LED Exit Sign Green LED Black Housing Battery Backup - This classic LED Exit Sign is clear and highly visible.LED Exit Sign Green LED Black Housing Battery Backup features include: Superior Quality Exit Sign Combined with LED Energy Saving Technology In a Low-Profile, Unobtrusive Design Standard AC Only with Battery Back Up Completely Self-Contained Fully Automatic Operation Compact, Low Profile Design in Neutral Finish Push to Test Switch Automatic, Low Voltage Disconnect (LVD) 120 or 277 VAC Operation Injection-Molded, V-O Flame Retardant, High Impact, Thermoplastic Housing Charge Rate/Power On LED Indicator Light Energy Consumption of Less than 2 Watts for Green Letters Listed for Damp Location Universal Mounting Canopy amp; 2 Face Plates for Wall, Side or Top Installation 2.4V 400maH Ni-Cad Battery On Standard Units 90 Minute Battery Run Time UL 924 Listed 5 Year Warranty Order Qty of 1 = 1 Piece Spec Sheet Below is more info on our LED Exit Sign Green LED Black Housing Battery Backup