Get alerts on your phone. Nest Protect sends you a message when there’s a problem or the batteries run low.Every second counts. The Split-Spectrum Sensor looks for both fast and slow burning fires.Tells you what and where. Nest Protect speaks up if there’s smoke or CO and tells you where it is, so you know what to do.Hush from the Nest app. Just burned the popcorn? Quiet the false alarm with your phone, not your dish towel.Sees the CO you can’t. Carbon monoxide is an invisible, poisonous gas. Nest Protect tells you where it’s hiding.10-year life span. Nest Protect’s long-lasting sensors keep you safe and sound for up to a decade.A light in the dark. Usually Nest Protect has its light turned off, but when you walk underneath it, Pathlight can light your way.