In our normal life, we always will compare the brand, price and performance when we buy some products. But without a survey, we can ensure that the middle class products will be the most popular in all kinds of products. The same principles apply to the led high bay . Only the high-end led chip is essential, the rest could be some normal products. I may think about that may people complain about the quality of the light bulb for its flashing, burn-out, and the insects around the lamp s. With installing the led high bay , these could be no longer problem.