Help With Direct to Transformer installation- Pro Power Kit V3 Yes or No?

All, I apologize for the new thread but I'm trying to install this right now I’m installing a video doorbell pro 2. My existing transformer is not putting out enough power so I ordered the one that ring recommended. I’ve decided just to remove my existing indoor chime. On the ring website it shows a schematic which includes the power pro kit V3 and shows it is using a 16-24 VAC transformer, it also shows disconnecting the wiring on the pro kit and taking off the sticker to reveal connectors which are not on my V3 kit? https://support.ring.com/hc/en-us/articles/360022454432-Wiring-Diagrams-for-Ring-Video-Doorbell-Pro-Setup I think this is for an earlier version??? My simple question is if I connect the new 16VAC 30 VA transformer straight to my pro two doorbell do I need to use the power pro kit at all?? Also what does that power kit do??? Thanks for any help in advance. Rob