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You no have to, but it's better to have in case you are far from your cell phone, so this way you can hear...
Sorry, there was a problem. Please try again later.That product can't be wired to an existing doorbell, so if you want some kind of chime in the house, or you need to extend your WiFi range to reach the camera, you might need it. If you will be in range of your main WiFi signal and are happy with notifications through a smart device, you shouldn't need the chime pro.
Sorry, there was a problem. Please try again later.yes
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