Book scanner scan technology ccd scan format a4 supported document size 216 x 297 mm scan resolution 1 200 dpi interface usb 20 max scan speed 16 pagesmin colour depth 48 bit light source led controls 4 scan buttons delete colour gray bw compatible operating systems windows 8 windows 7 windows vista windows xp windows 81 windows 81 windows 8 windows 8 windows 10 power consumption in use 18 watt colour black max duty cycle 2500 scans e