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The August Doorbell Cam Pro costs $199 (£155/AU$266 converted).

Published:Caption:Photo:Tyler Lizenby/CNET

It has a 1,280×960p resolution.

Published:Caption:Photo:Tyler Lizenby/CNET

It also has a built-in motion sensor to alert you to guests -- even if they don't ring the bell.

Published:Caption:Photo:Tyler Lizenby/CNET

Adjustable built-in LEDs provide extra light for viewing the video feed at night. 

Published:Caption:Photo:Tyler Lizenby/CNET

This doorbell measures 2.9x2.9x0.9 inches.

Published:Caption:Photo:Tyler Lizenby/CNET

Two-way audio lets you talk with whoever's at the front door through your phone.

Published:Caption:Photo:Tyler Lizenby/CNET
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