The Exitronix S902-WB-S-RC-BA 5-watt LED exit sign provides superior brightness and uniformity with a service life in excess of 25 years. The S900 series sign operates at 120 or 277 volts and comes with an S-option that includes a kit for surface mounting installation for sides, ceilings, or walls. This edge-lit, single face exit sign comes with a maintenance free Ni-Cad battery to provide 90 minutes of emergency lighting. UL listed for damp locations, this exit sign has a 5-year warranty. Hardware included.