Adjustable bracket ufo led high bay light SUPER BRIGHT - 11000 Lumens, 5000K daylight white. That is a staggering over 125lm/W. Saving 75% electric bill instantly. ELEGENT DESIGN - One piece die-casting aluminum heat sinker, hollow design to avoid heat gathering. Be helpful for heat conduction and heat dissipation. DURABLE - The driver is separately and aside from the heat sinker, keeping the driver in low working temperature. Lifespan is over 50,000hrs. Reduce Re-lamp frequency. WIDE APPLICATION - Preinstalled hook brings a very easy and fast installation. Perfect for warehouse, gym, stadium, factory building, industrial area, workshop etc. QUALITY ASSURANCE - Hykolity five-year unlimited warranty means we got you covered. Easy and fast replacement is offered if any quality issue.