Smart lights are an increasingly popular choice for those looking to add convenience and energy efficiency to their homes.

As of Nov. 13, you can get the TikTok viral sunset lamp for less at Amazon, currently reduced from $24.99 to $16.99. But the ...

Or flip a switch at the bottom of the stairs, and then again at the top. The next person, coming from either direction, must be able to turn the light on again. That’s where 3-way switches come in.