This one-of-a-kind emergency high bay lighting fixture is a real life-saver—it emits a whopping 4000 lumens of visibility for 90 minutes during power outages, so occupants can easily find their way to safety. It's patent-pending design niftily fits a variety of voltages (from 120V to 480V) without any step-down transformers—so installation is a breeze. Plus, you can keep it up to 40 feet high and still have ample light, so it’s a no-brainer for tall building applications. Monthly self-testing or manual remote control make routine tests a cinch—perfect for any emergency!