ft. I have 3 rows of 5 lights in each row for a total of 15 lights. I've tried different types of lights over the years and these have proven to be the brightest and best. However, I would like to add that they are noisy. Using it in a shop isn't really a problem, but those using it in a building with a lower ceiling probably won't be happy with it. For me and the environment I use them in, I'm very happy with the brightness and the price I paid for it.
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