Suitable transformer for "Ring Video Wired"?

Why isn't it possible to have a mechanical doorbel while using a wired Ring Video Doorbell?Hello!. Im looking for a suitable transformer for my " Ring Video Doorbell Wired"Many people say different things. Some say I need at least 10V others day at least 16V. And others say try it on your existing 8V transformer. Would this produxt be sufficient ( Its in Dutch) https://www.vekto.nl/voeding-24vdc-15w-0-63a-dinrail-ingang-85-264vacIt says it is a stabilized transformer whatever that is. And in standby it only takes 0.3W. And it is 85-264VAC. Is that not a bit too much?85-264VAC47-60Hz0.63 A24VDC out of boxPotentiometer to be set between 21.6VDC en 29VDC. Stanby is 0.3WattsStabilized (what does this mean?) Some insights and experiences please. Everyone says something different. Even the official manual.