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So far, so good. Not able to respond with 5 stars for energy efficiency and longevity as I’ve only installed 2 of the 10 bulbs so far. However they can well packaged and on time. The two bulbs that I’ve installed in landscape lighting are bright and DO NOT flicker has some have experienced. They were great value and I’m hopeful they are long lasting.
Been very happy with these is that they match the original halogen bulbs in brightness and color, while using much less electricity and lasting longer (I waited to post this in order to check their longevity).