“do you need to buy the sync module separately?”

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• Hello, The Blink Video Doorbell does not require a sync module and can manage its own system, but when installed with a connected Sync Module, Doorbell battery life is improved and advanced features are available.

  Answered by Blink 4 years ago

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• No you don’t have to it works fine without.

  Answered by videomike77 3 years ago

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