Google Nest Hello Video Doorbell (Grade A Open Box) - £79.96 delivered with code @ eBay / red-rock-uk

The battery one doesn’t have storage either. All of the Google bells (and cameras) give you measly 3hrs of captured events (short video clips) of detected event. That is if the camera is smart enough to capture it. For example my garden camera only detects an animal (my dog) when it’s light outside, at night it often won’t detect an event. On the other hand it will often detect rain or snow as “motion” event.

What I’m getting at is that the events are pretty useless, combine it with only 3hr of history on the free “plan”, it’s just worthless.
With either doorbell prepare to pay the basic subscription to enable 30 days history of the events, or go straight for the top plan and enable 24/7 recording that is best when events fail to be recognised, then you can check manually if something happened - that is 10 days of storage.

Also, 24/7 recording isn’t available on the battery doorbell. Personally I think this older doorbell is vastly superior to the battery one, in a recent video from MKBHD on YouTube he mentions his battery doorbell lasts only 3 weeks between charges. And his wasn’t place on a busy street.
For me that’d be too much faff. Just get the doorbell from this deal, replace your current doorbell button (which might already be powered) or stick a doorbell transformer on, reusing the cables to the doorbell button and you’re set. (edited)

Having had both I much prefer the NEST as it’s always on and therefore doesn’t ’miss’ the vital 1st part of any activity, image quality is also better.
Yes it needs a transformer, search Amazon for ones with literally 1000’s of reviews for around £18.
Subscription covers whole home and all NEST devices so more cost effective if you have cameras, which are fab by the way

With the free tier, you can see 3 hours of history, which you then have to download to your device to keep longer. I believe the paid for tier increases that to 24 hours, but also throws in things like facial recognition so it can announce who is at the door.