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Mashable SimpliSafe takes on Nest with the Video Doorbell Pro Mashable Thanks to the doorbell's built-in microphones, you can also have two-way communication using the iOS or Android app. The Video Doorbell Pro is compatible with a range of doorbells. This is important as some older houses have less voltage than newer … and more »
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SimpliSafe takes on Nest with the Video Doorbell Pro – Mashable
