If you want to put a smart bulb in a lamp, the Philips Hue is fine. But if you want all the lights in a room to have connectivity and smart features, spending up to $50 per bulb can add up fast. Here’s another option: check out the Kasa Smart Light Switch by TP-Link. It’s super easy to install in just a few minutes and it instantly adds smarts to every light that’s connected to it. I used one in my living room instead of buying eight different bulbs for my recessed...

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