“If I purchased a blink doorbell for my front door and my back door. Must I purchase two syn module. Or one is sufficient for both front n back blink doorbell”

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• One sync module for all devices

  Answered by JamesMiller 2 years ago

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• No

  Answered by AdelineC 2 years ago

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• One covers all.

  Answered by Anonymous 2 years ago

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