Nest Protect Smoke Plus Carbon Monoxid, Battery (2nd Generation)

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Know from anywhere
connect Nest Protect to a Wi-Fi network and it will send a message to your phone if the alarm goes off or the batteries run low.

It tells you what and where
It talks to tell you if there's smoke or carbon dioxide and tells you where the problem is so you know what to do.

Nest Protect sees the carbon monoxide it can't
carbon monoxide is odorless, invisible, and deadly. When there is carbon dioxide, the Nest Protect tells you where it is hiding.

Night Promise
Nest Protect continuously tests the sensors and batteries and lets you know they are running with a quick green glow at night.

Get rid of the screaming sound
the ever-low-battery creaking sounds your dreams come across! Nest Protect shows you their batteries are good. Before it turns off