Reviews

First Alert Onelink Smart Smoke + Carbon Monoxide Alarm review: This alarm doesn’t work entirely as advertised

This smart smoke/CO detector isn’t much better than a dumb one.
first alert onelink primary
First Alert

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Christopher Null is a veteran technology and business journalist. He contributes regularly to TechHive, PCWorld, and Wired, and operates the websites Drinkhacker and Film Racket. Disclosure: He also writes for Hewlett-Packad's marketing website TechBeacon.