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Nest's Hello video doorbell costs $229 (roughly £165/AU$290 converted).

Published:Caption:Photo:Tyler Lizenby/CNET

It has a 1,600x1,200 HD resolution.

Published:Caption:Photo:Tyler Lizenby/CNET

Press the doorbell and you get a push alert sent to your phone.

Published:Caption:Photo:Tyler Lizenby/CNET

From there, you can view a live video feed of what's happening outside and even communicate with the person through two-way talk.

Published:Caption:Photo:Tyler Lizenby/CNET

Nest also offers prerecorded messages such as, "You can leave it," "We'll be right there" and "No one can come to the door."

Published:Caption:Photo:Tyler Lizenby/CNET

This video doorbell works with Alexa, Google Assistant and other Nest products. 

Published:Caption:Photo:Tyler Lizenby/CNET

The Hello can detect general motion, sound and also tell you when it sees a person.

Published:Caption:Photo:Tyler Lizenby/CNET

If you pay for the Nest Aware subscription service, you can also create a database of friends, family members or anyone else who regularly comes to your house (dog walker, home care professional, repair person, etc.) and you'll get a custom alert when the camera detects that particular person. 

Published:Caption:Photo:Tyler Lizenby/CNET
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