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I set this up on my Alexa and the Kasa app in less than 30 minutes start to finish. I noticed that sometimes I would say the command, "Alexa turn on lamp," and Alexa would respond "ok" without actually turning anything on. The issue was my 5-year-old router. I replaced the router with a new router that could handle more devices. The new router resolved the issue. I've been using this plug for a few months now and it is still working great.