Type :-Flatbed Scanner Scanning element :- CIS Light source :-3-color (RGB) LED Selectable resolution :- 25 - 19200dpi2 Interface :- USB2.0 High-Speed Mini-B Scanning :- gradation (colour) 48 bit input -> 48/24 bit output Scanning :- gradation (greyscale) :-16 bit input -> 8 bit output Maximum Document Size :- A4 / Letter (216 x 297mm) EZ-Scan Buttons :- 4 buttons (PDF, AUTOSCAN, COPY, SEND)