Forget the 35,000 hour lifespan. A little less than a year ago I passed five units. Two have already failed. According to my calculations, I got a maximum of 2,000 hours of use. If the lifespan is actually 35,000 hours, without the math, two failures in 2000 hours would be extremely unlikely. Curious, I disassembled the first defective one. There was no apparent thermal damage or arcing, so I had to assume that the regulator chip or some other component on the driver board had failed. I wasn't impressed with the quality of the electrical components or the finish. I doubt similar products are much better, but this one isn't impressive.
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