High system efficacy up to 111 lm/W. 16,300 lumen output for high bay lighting and outdoor lighting. IP66 rated rugged for outdoor use. 60 degree Lens standard for bay lighting. 120 degree Lens available for flood lighting and area illumination. Lampshades available for 60 degree and 120 degree. (optional accessory). Outdoor-ready rotating mounting bracket available. (optional accessory).