You can get this Kasa Smart Plug 4-pack and turn your house into a smart home for just $23.99 right now at Amazon. The Wi-Fi plug connects to your power outlet and lets you control almost any device.
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At IFA 2018 today, Lenovo announced Smart Home Essentials, including a Smart Plug, Smart Bulb, and a Smart Camera, all of which are connected to Wi-Fi for use with most virtual assistants.