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To sweeten the pot on the previously recalled Nest Protect, Nest adds features and functions via a Protect 2.0 software update.
The Protect will now display how much carbon monoxide it is detecting, and also give you data about the CO levels over time, ostensibly to help you better understand the cause.
The new What To Do features aim to give you a better understanding of risks around your home, and help you and your family know how to react in the event of an emergency.
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