You can imply the shutter speed from the FPS to a certain extent. v4 is 20 day and 15 night (so 1/40 and 1/30 respectively). Of course the massive amount of compression added throws a wrench in the works of that calculation and will make it appear much less. That’s where much of the blur, or from what I’ve been told is more accurately called ghosting, comes from.
I have an old dash cam setup in both my cars, it is 720P at 20FPS. It can capture a license plate in circumstances the 1080P wyze at 20FPS could never dream of. But it also records about 10x more data to SD per minute, so significantly lower compression (especially given the lower resolution).
The only wyze cam I have that can get a license plate in motion (and it has to be moving pretty slow) is the OG-Tel just due to the fact that it has 3x optical zoom. When I calculated it, it came to something like >99 percent compression ratio on the Wyze OG and Panv3 (both 1080P cams), which is not going to be your friend when it comes to getting detail on something in motion.
The standard, non telephoto OGs and Panv3s work pretty decent on people at distances up to 10 to 20 feet or so (the v4 should improve that given the higher resolution), since they’re not moving that fast and often are moving toward the camera. Beyond that distance it starts to diminish pretty quickly.
When I compared the v3 to the OG, the ghosting and compression artifacts (blocking) on the v3 was significantly worse so I went with the OG. The v4 seems to be in line with the OG, better than the v3 from what I’ve seen, but still not going to get a plate unless it is sitting still or moving fairly slowly directly toward the camera (the higher resolution of the v4 helps, but the increased compression they added to try and keep the data rate about the same negates much of it). It gives more detail for still, or slow moving objects, but faster moving stuff especially when moving across the plane of the camera instead of toward/away from it still suffers.
There is a wishlist item to reduce the compression ratio, even if just for videos stored on the SD card (and another to give access to the SD card remotely to be able to download videos directly from it at original quality). You can vote on those but to be honest, they don’t seem to have gained any traction. Who knows if it is even possible, the compression may happen before it hits the data plane so they would not be able to tell it to upload lower resolution than is recorded to SD.
Wireless cloud cams simply have bandwidth and signal strength limitations that they have to design around (and the bandwidth and storage space on their servers also costs money so they have to minimize it as much as possible).
There are systems out there with much lower compression, they will typically be hardwired POE cameras with a dedicated NVR. If I was in an area where it was more likely to be needed, I’d invest in that (probably about $500 entry level price plus installation and wiring). But things are pretty quiet here and I’m more just looking to know when people come and go, when packages get delivered, and be alerted if someone is in my house when I’m travelling, etc, so the Wyze work well for my purposes. The one time so far I’ve needed to submit footage to the police, higher resolution would not have mattered, the kids were wearing hoodies and masks, but still comparing it to the Blink and Ring that the neighbors have, it was night and day, I can only imagine what compression those ones are using (who would have thought >99% was possible and yield anything more than a total blur).
driving away in it. 
and the :skunk :Back, I like their videos.