Amazon next day delivery - ordered about 11pm Monday evening, arrived Tuesday lunchtime, awesome

Unpacking - surprisingly heavy, cameras have metal bodies and feel chunky
Instructions - utterly baffling, badly translated, incomplete, possibly intended for a different product

I picked this particular kit because as far as I could tell from the garbled spec, the cameras were true PoE. From sifting through reviews it seemed that although a lot of systems describe themselves as PoE, they're some kind of proprietary / bastardised implementation meaning they will only work with the matching base unit. I've already got a PoE switch and network points around the house so being able to plug in to the existing network was a big plus. And fortunately, it works. An interesting outcome of this is that the base unit (NVR) acts as a PoE switch. I've got an AP plugged into one of the camera ports and it works just fine. This might open up some further possibilities ?
The software is almost as flaky as the instructions but I'm gradually figuring it out. There's lots of clever-looking stuff in there for alerts and suchlike. More tinkering needed to get it all to work.
So far I've got two cameras set up for front & rear of house, currently set to record 24/7. The picture quality seems pretty good. The night-time IR works well, the back garden is fully visible even when it's pitch dark to the naked eye.
Overall I'm pretty happy with it.
Next job is to fit a camera indoors to see what the dog gets up during the day !