There seems to be Mnuchin confusion as to whether the “Pro” requires a resistor for stand alone transformer. Instructions make no mention of needing one and another link seems to indicate a whether a diode is required ( a resistor is not a diode).
Some have claimed that adding a resistor prevented Ring from starting ip.
So which is it? Ring needs to do a better job of clarifying what products do and don’t need to install!
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Good question, @Bronco19! For the Video Doorbell Pro model, you will not need a resistor for installation. Included in the packaging will be a Pro Power Kit, which can be used as a bypass cable for a direct wiring to a transformer. Here is our help center article with steps on how to do so. I hope this helps! 