I replaced the halogen bulb with this LED. It worked great. Due to my lack of experience with this LED bulb, I gave it four stars. It fits and works on my fiberglass Christmas tree. I will document and see if I get the claimed life hours. With those 10 packs of bulbs and using my tree year-round, 12 hours a day, I calculated I should have a lifespan of 69 years. That makes me 140 years old.
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