Digital doorbell not working

Question

I have a Ring Pro2 that I installed. Do the doorbells need to be compatible, or does any one work? Also does the Pro2 need a diode installed on the ring itself? I have a digital doorbell. The transformer puts out 20V, though the ring app says it is getting poor voltage.  I would like for my in home doorbell to chime. Thanks for your help.

Caitlyn_Ring · Answer

Hi @long2jump. We have a Chime Kit Compatibility list for the Doorbell Pro 2 [here](https://support.ring.com/hc/en-us/articles/360059789591-Ring-Video-Doorbell-Pro-2-Chime-Kit-Compatibility-List), so you can check if the digital chime kit you have is on the list of compatible chime kits. We also have an installation guide for the Doorbell Pro 2 [here](https://support.ring.com/hc/en-us/articles/360054675132-Video-Doorbell-Pro-2-Installation-guide-), and there is no diode included in the installation process. I hope this helps answer any questions you have! :)

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