“Do I have to have a sync module with my blink doorbell for the 2 way audio to work?”

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• A sync module is required for all features to work, including 2 way audio. The doorbell will not be accessible without it.

  Answered by JMiah 4 years ago

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• Yes, the sync module is the interface between the device and your phone/tablet.

  Answered by PaddyG57 4 years ago

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• Hello, With our Sync Module 2, you can save daily cloud backups onto a compatible USB flash drive, or save motion events and ringer button press video clips without a subscription. Using a Sync Module is strongly recommended to improve doorbell battery life.

  Answered by Blink 4 years ago

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