I was curious about this too. From the dimensions listed on the website, it looks like the screen is about 6.3×3.7 inches, or about 7.3 inches diagonal. There

I was curious about this too. From the dimensions listed on the website, it looks like the screen is about 6.3×3.7 inches, or about 7.3 inches diagonal. There seem to be 8-inch e-ink displays for sale on AliExpress for $20-$40, actually much cheaper than I expected. No idea about the quality though.