Flat bed scanner photo scanner scan technology cis scan format a4 supported document size 216 x 297 mm scan resolution 2 400 dpi interface usb 20 position of connectivity ports 1x usb rear max scan speed 3 pagesmin colour depth 48 bit opening angle 90 backwards light source led controls scan buttons compatible operating systems windows 8 windows 7 windows vista windows xp mac os x windows 81 windows 81 windows 8 windows 8 windows 10 power con