Nest Protect


Protect your home with this smart carbon monoxide and smoke alarm. Fast and slow-burning flames, as well as carbon monoxide, are detected and located using a split-spectrum sensor. A smartphone can be used to control it and receive alerts. The sensor can last up to a decade.

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  • Smoke detector and carbon monoxide detector that speaks up in a friendly voice to give you an early warning when there’s smoke or CO in your home
  • Split Spectrum Sensor looks for both fast burning and smoldering fires and tells you where the danger is
  • Get phone alerts so you know something’s wrong even when you’re away from home[1]
  • CO detector looks out for carbon monoxide and tells you where it’s located
  • With App Silence, you can silence the smoke alarm with your phone in the Nest app when there’s only a little smoke
  • No chirps to tell you the battery is low; Nest Protect tests its own batteries and gives you a Nightly Promise when you turn off the lights so you know everything is working
  • When you walk under Nest Protect at night, Pathlight lights your way