I used this product from last 8 months.its just really great product.this product box containt a canon scanner, one usb port, one cd and a manual book.this scanner scan pdf, image format.you scan any docoment with preview.hghest dpi is 600.this scanner can scan a4 page size colour and black and white docoments. no electric connection are needed to start this scanner, just need usb port connection with pc or laptop.best things is this scanner is not very weighty.is really light weighted.you easyly cary with school bag or laptop bag.even you carry this scanner in school bag or laptop bag with laptop.specificationaly it is not a portable scanner.over all its just a nice and great product