That one is interesting but not great resolution and no greyscale. Also the ones that have 3 colors are usually extremely slow to refresh in my experience.

But at a similar price point there is also a 10 inch one with decent resolution and greyscale.

https://www.waveshare.net/wiki/10.3inch_e-Paper_HAT

I have this one running in a picture frame

https://dheera.net/projects/einkframe/