Initially this product worked very well for use in very tall lights in our basement stairs. After about a month the light started flickering and then went out where we had to knock out a corner or bulb to get the light back on. It then went on until the light simply went out after a few minutes. It was so frustrating we even called an electrician. After we removed that, the problem was resolved. I think this is a poor quality product that only works for a short time. I do not recommend.
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