The Nest Protect's blue light shines during setup and testing. Read full review
Photo by: Lindsey Turrentine/CNET
From the side, the Nest Protect is about as thin as a standard-issue smoke detector. Read full review
Photo by: Lindsey Turrentine/CNET

With a blocky shape and broad center button, this smoke detector/carbon monoxide monitor makes a statement.

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Photo by: Lindsey Turrentine/CNET
The Nest Protect blends in about as well as a traditional smoke detector. Read full review
Photo by: Lindsey Turrentine/CNET
Box contents. The simple packaging is welcome. Read full review
Photo by: Lindsey Turrentine/CNET
A yellow light indicates a warning but not a full-blown emergency. Read full review
Photo by: Lindsey Turrentine/CNET
The Nest Protect glows green when all is well and to let you know that it's done testing its surroundings. Read full review
Photo by: Lindsey Turrentine/CNET
The red light shines when smoke or carbon monoxide are at emergency levels. Read full review
Photo by: Lindsey Turrentine/CNET
From the front, the futuristic Nest Protect looks cooler (and a little more like Hal 9000) than this run-of-the-mill model. Read full review
Photo by: Lindsey Turrentine/CNET
The Nest's instruction manual is a thing of beauty compared with those of traditional detectors. Read full review
Photo by: Lindsey Turrentine/CNET
The Nest Protect compared with a traditional CO detector. Read full review
Photo by: Lindsey Turrentine/CNET
The Nest Protect is a little larger than a standard smoke detector, and also, in our opinion, better looking. Read full review
Photo by: Lindsey Turrentine/CNET

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