The OSA4 LED Adjustable Wall Pack features a next-generation design with Selectable CCT/ Wattage models. With efficiencies up to 138 lumens per watt, the OSA provides optimal light in a compact, adjustable design. Using a separable hinged backplate, the OSA is easy to install on walls or directly to a J-Box, and is adjustable from 0 to 90-degrees. An internal switch offers the ability to adjust the Wattage to low, medium, or high setting and to select the CCT (3000K/4000K/5000K).