When the power fails on a subzero night, your alarms are only as trustworthy as the batteries hiding behind their plastic covers. The chemistry you choose can decide whether a smoke detector screams ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition ...

I’ve been working with computers for ages, starting with a multi-year stint in purchasing for a major IBM reseller in New York City before eventually landing at PCMag (back when it was still in print ...

The RSA-400 looks like your ordinary, everyday smoke detector. The included Roost Smart Battery enables it to connect to your Wi-Fi network, and that’s how it sends alerts to your smartphone if the ...

Blink isn't a traditional alarm system, but its high-quality budget camera bundles work well for home security. NerdWallet is committed to editorial integrityMany or all of the products on this page ...

Arlo’s user-friendly equipment and competitive pricing make it one of our top picks for a home security system. NerdWallet is committed to editorial integrityMany or all of the products on this page ...

A smoke alarm sitting quietly on a ceiling may look harmless, but behind that plastic cover lies a ticking time bomb of risk ...