Lithonia Lighting IBH 11L MVOLT 2-Feet White LED High Bay Light Energy-efficient LED technology is 31% more efficient than T5HO fluorescent A frosted acrylic lens prevents glare and shields the LEDs Durable steel construction is built to last and is finished in white enamel for a clean appearance Designed for easy plug-in operation and can link multiple fixtures together using the convenience power outlet 36 in. suspension mounting kit is included (fixture not designed for surface mounting)