RAB Lighting WPLED26 Cool LED Wallpack with Backplate and Junction Box, Aluminum, 26W Power, 1816 Lumens, 277V, Bronze Color High performance LED light engine; maintains 70 percent of initial lumens at 100,000 hours Weatherproof high temperature silicone gaskets; superior heat sinking with die cast aluminum housing and external fins; replaces 175W MH wallpacks Cast aluminum thermal management system for optimal heat sinking; The LPACK is designed for cool operation, most efficient output and maximum LED life by minimizing LED junction temperature LED color temperature is warrantied to shift no more than 200K in CCT over a 5 year period; 3-step MacAdam ellipse binning to achieve consistent fixture-to-fixture color Chip and fade resistant polyester powder coat finish; 5 Year Warranty