These lamps came well packaged in a set of 4 and were ready to use. They don't last long so I can't comment on durability. There was a warranty card in the box which I haven't seen with other LED bulbs so hopefully that means there is a workaround if they fail early. I used it to replace about 650 lumen LEDs. Comparing old and new side by side I don't think they are 90% brighter - maybe 75%. However, they are very bright, consistent between bulbs and the warm color is nice. They darken well and there is no visible flicker. Reading reviews of other high lumen LED bulbs, it seems like brightness measurements are a moving target. So unless you're looking for an exact number, this is a good buy for most needs.
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