All 4 smart plugs are working fine, connected via my TP=Link Kasa app just fine as well as Alexa, Google Home/Google Assistant, and Samsung Smart things. I don't know about Home Assistant and Apple HomeKit but this is a Wi-Fi smart plug, it is NOT ZigBee nor Z-Wave. I am selling this because I am currently upgrading my smart home devices to Home Assistant in the near future.

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