High Bay Led Shop Lights Some people have less knowledge about the lighting, because it is on many items. As long as people use it at the beginning, they will only use it afterwards, and will not do some detailed understanding and investigation. But sometimes if they encounter a problem, they do You have to re-understand it, so it is better to understand some conditions from the beginning, which will also be beneficial to yourself, so how to reduce the brightness of the led light is too bright? What is a led light?