led high bay is the most popular lighting fixtures in the lighting market, in the beginning of the 2015, the led high bay shipments are expected to continuously grow. And why the led high bay is so popular in the market, the following is the answer: Energy efficient, the led high bay only cost one-fourth energy as the efficient lamp s, one-tenth energy as the candescent lamps. That is very incredible in the past. A long lifespan. The led high bay has a long lifespan which could reach 100,000 hours, 50 times as the candescent lamps.