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The Nest Cam IQ Outdoor costs $349/£329. It isn't currently available in Australia, but converts to roughly AU$450 at the current exchange rate. 

Published: / Caption: / Photo: Chris Monroe/CNET

This 1080p HD camera has a 4K image sensor, so it can zoom in on people and see them in greater detail than previous Nest cams.

Published: / Caption: / Photo: Chris Monroe/CNET

Not only can the IQ Outdoor detect sound and motion, it can also tell you when it sees a person.

Published: / Caption: / Photo: Chris Monroe/CNET

If you pay for the Nest Aware cloud service, you can also create a database of your friends and family members. That way, you'll get a custom alert whenever "Chris," "Ashlee" -- or whoever you add -- walks within range of your IQ Outdoor. 

Published: / Caption: / Photo: Chris Monroe/CNET

This weatherproof camera is designed to be mounted to an external ceiling or wall.

Published: / Caption: / Photo: Chris Monroe/CNET
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