TATCO LED Exit Sign with Battery Back-Up - "Exit" Preprinted - Polycarbonate - White

Safety/caution sign automatically turns on when power goes out to provide 90 minutes of emergency operation. Energy-saving LED light output lasts up to 25 years, consumes less than 2 watts and eliminates lamp changes. Sealed maintenance-free battery lasts up to 10 years. Fully automatic charger. Stylish design, rugged polycarbonate construction. 120/277 dual voltage input. Front and rear stencils with snap-out directionals. Mounts on ceiling, wall or surface. U.L.listed.