Over the last week or so, I've noticed that the "Updated at" date/time seems to be changing, whereas neither the file nor the version are any different.
That value must mean something though, so what exactly was updated a few hours ago?
I have a DS-2CD2T46G2 running via a NVR and as you can see, it's currently capturing more than just our garden. Whilst I've set it up to only record when there is activity in just our garden, I would have thought there was a way to crop both the view and resulting recording, but have been unable...