Emergency exit sign with SmartScan wireless technology versions manufactured from zinc plated steel with polycarbonate end caps finished full polyester powder coated RAL9016 white. Three-hour maintained operation (or non-maintained by removal of a wire link), powered from an easily replaceable Nickel Metal Hydride (NIMH) battery. The SmartScan version carries a 5 year warranty. 19.5m maximum viewing distance in accordance with BS EN 1338. IP40. Optional mounting kits for wall, cantilever or semi-recessed mounting. Manufactured in the United Kingdom.[/luminaire-performance](Luminaire performance document).