Responses (1)

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Caitlyn_Ring

Hi @jjastro. For the Video Doorbell 3, the power requirements on the transformer are 8-24 VAC, 40VA max, 50/60Hz. Anywhere within this range is going to be sufficient, as hardwiring the Doorbell 3 to an existing doorbell circuit will provide a trickle charge that helps keep your Ring's battery topped off. If you're hardwiring the Doorbell directly to a low-voltage transformer, a resistor is not needed. You can reference our Help Center Article [here](https://support.ring.com/hc/en-us/articles/360042031971-How-to-Connect-Your-Ring-Video-Doorbell-3-Directly-to-a-Low-Voltage-Transformer-Without-a-Pre-existing-Doorbell-), and you may also want to contact a licensed electrician if you need assistance with this type of wiring. I hope that helps! :)

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03-09-2020 16:22:30

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Reply

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jjastro

The description on your site says the wire wound resistor is for the Ring 3 and Ring 3 plus. Is this a mistake in the description or is there a condition that it is in fact needed?

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04-09-2020 03:17:55

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Caitlyn_Ring

@jjastro Thanks for letting me know, I'll share that information with my team! A resistor is not needed for any installation of the Video Doorbell 3 or 3 Plus. :)

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04-09-2020 16:04:35