The IAB Series Linear Bay fixture is a new concept developed to replace and outperform all pre-existing bay lights: metal halide, sodium, mercury vapor, and fluorescent. This bay fixture incorporates a patented watt selectable control system that virtually eliminates the problem of choosing the incorrect light output or wattage for a project. Should a mistake be made, simply adjust the light to the desired output; problem solved! This bay light offers high efficacy and a wide distribution of light. It is created for extremely long life. Each IABSL series linear bay fixture allows for custom tailoring of the light intensity and provides power outage management for optimizing a quicker Return On Investment (ROI).