The best smart smoke detectors add a layer of connectivity to this essential device in your home. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Simple wireless smoke detectors, like First Alert’s wireless smoke alarm, use wireless tech to interconnect. They’re easy to install and provide great protection at a reasonable price.

But if you aren’t starting a car or running equipment that generates smoke there, the warning probably wouldn’t apply. The new battery-only detector should include “wireless interconnect ...