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My 40 year old doorbell worked just fine with this one. It's not the age of the existing doorbell, it's the voltage being delivered through its transformer. Only if it's outside of specifications would I consider changing that transformer.
Sorry, there was a problem. Please try again later.Hi Elgar40. Thank you for reaching out. The Ring Video Doorbell Pro requires a compatible doorbell, a Ring plug-in adapter or transformer (not included): 16–24 VAC, 40VA max, 50/60Hz. Learn more here: https://support.ring.com/hc/en-us/articles/209028546-Ring-Video-Doorbell-Pro-Chime-Kit-Compatibility-List. If any additional information is needed regarding your Ring Pro installation question, please reach out to our Community. Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another and share their feedback and experiences directly with Ring. You can find it here: https://community.ring.com/. All the best, Nicole from Ring.
Sorry, there was a problem. Please try again later.The Pro is best when their is a slim door frame. As long your wiring allows for electricity to the door you should be fine.
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