Portable scanner document scanner feeder scanner scan technology cis scan format legal supported document size 216 x 1270 mm scan resolution 600 dpi interface usb 20 max scan speed 30 pagesmin colour depth 48 bit functions duplex scanning controls scan buttons compatible operating systems windows 7 windows vista windows xp windows 2000 windows 81 windows 8 windows 10 colours black gray software included hotcard bizcard finder 30 plustek di capt