It seems the embedded video may not work. You will have to click the link. It’s just blahaj.zone’s peertube instance.

Here are details: https://github.com/kapowaz/doorbell-tool

Here is the doorbell: https://techspecs.ui.com/unifi/cameras-nvrs/uvc-g4-doorbell-pro

I made the gif custom for the doorbell, converted from another higher quality and larger gif.