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100w led high bay light✔ SUPER BRIGHT - 11000 Lumens,Website:http://www.jrgled.com, 5000K daylight white. That is a staggering over 110lm/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 frequenc