... : 1.foldable, rotary, retractable and adjustable with 5 strong LED lights,contactless,folding,lightweighted,portable,powerfuf sensitivity degree,USB power supply ... ,no extral AC power required. 2.Scanning target: file,book,magzine,bill,photo,picture,documnet, real object,etc. 3.Scanning ... Bureau,Archives Bureau and so on. 3 million pixels portable book scanner,usb 2.0 interface