Smart switches require a neutral wire for power, but many older homes do not have one available. You should never attempt electrical work unless you are a licensed or experienced electrician.

Aqara’s smart light switch looks good, works well, and is compatible with Alexa, Apple HomeKit, and Google Home, but you’ll need to go all-in on Aqara’s ecosystem—which doesn’t include a smart ...

This simple dimmer gets the job done and is particularly attractive in homes that have other GE Cync products, but its large size and pigtails might complicate installation. GE Lighting’s Cync brand ...