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The Arlo Ultra security camera streams video 24/7 in 4K.

$399.00 at Amazon
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Caption:Photo:Tyler Lizenby/CNET
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It can go inside or outside.

$399.00 at Amazon
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Published:Caption:Photo:Chris Monroe/CNET
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A magnetic stand comes with your purchase.

$399.00 at Amazon
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Published:Caption:Photo:Tyler Lizenby/CNET
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Attach the camera to the stand and use the included hardware to mount it for a more permanent installation.

$399.00 at Amazon
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Published:Caption:Photo:Tyler Lizenby/CNET
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The Ultra has a 180-degree diagonal field of view.

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It has an estimated battery life of three to six months.

$399.00 at Amazon
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Published:Caption:Photo:Tyler Lizenby/CNET
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Press the button on the bottom to open the camera.

$399.00 at Amazon
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The battery hides inside, but is easy to remove and reinstall.

$399.00 at Amazon
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It has a magnetic attachment that makes it easy to snap the adapter to the bottom of the camera.

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Use the adapter to charge the battery as needed.

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Arlo says it should take three to four hours to charge the battery.

$399.00 at Amazon
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The base station connects to your router. It's supposed to help extend each Arlo cam's battery life and has local storage via a microSD card slot.

$399.00 at Amazon
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The Arlo Ultra works with Alexa and Google Assistant.

$399.00 at Amazon
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Published:Caption:Photo:Tyler Lizenby/CNET
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The 4K UHD Wire-Free Security 2-Camera System, complete with a base station, two cameras, two stands, two batteries and a charger costs $600.

$399.00 at Amazon
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Published:Caption:Photo:Chris Monroe/CNET
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