The MaxLite WPOP55U-WCSBCR LED open face wall packs consume a selectable amount of 28/40/55 watts of 120-277 volt energy and the driver has a power factor of 90%. The DLC Premium Listed WPOP55U-WCSBCR (105518) generates 6400 lumens - that's an efficacy of 120 lm/W with a rated lumen maintenance of 100,000 hours based on L70 lumen depreciation. This LED fixture comes with a selectable color temperature of 3000K warm white, 4000K cool white and 5000K daylight. This MaxLite LED wall pack carries a 10 Year Warranty with labor allowance and a CRI of 80. The Wall Packs feature a controls-ready receptacle compatible with c-Max controls. The simple plug-and-play sensor receptacle enables c-Max control nodes to be added at the time of installation, or in the future. as well as allowing for future control upgrades without changing the fixture. The receptacle is located at the bottom of the fixture and looks through a window, which minimizes the impact on the fixture aesthetics. A cover is included to hide the window when controls are not used.