Good in theory, bad in practice. The problem is that the stars need to align for a page to load straight. I scan the same page 3 - 4 times to get a straight scan.

Another problem it has is that it either starts scanning a little before it grabs the paper or continues for a little after, resulting in adding a black piece on top or bottom of the scanned document.

Buy it if you need something portable, but don't get it to replace a flatbed like I did.