Digital doorbell not working

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.

Hi @long2jump. We have a Chime Kit Compatibility list for the Doorbell Pro 2 here, 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, and there is no diode included in the installation process. I hope this helps answer any questions you have! :slight_smile: