I bought 8 of these in September 2018. You are included about 20 hours per week. Around April 2020 they started to fail and they all died over the next few months. The manufacturer replaced them, but only one at a time, as they failed even when it was obvious that they were all failing. It's February 2021 and one of the new ones just dropped out. The design has changed a bit and I was hoping they would increase the lifespan. but apparently not. They claim to last 22.8 years (based on 6 hours a day). Rzhunimagu! NO WAY.
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