I bought these to use in my window candle on Halloween night. After reading some of the reviews I was a little hesitant to turn them on too early for fear they wouldn't work all night. I took a chance, turned them on around 4:30pm and they continued to work until about 1am. I've only used eight of these, but I think I picked the right one out of a dozen to get through the night. They looked GREAT!
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