Model Name : Avision AV320D2 Plus
Specification :

     - Colour scan speed 40 ppm ( 300dpi )
     - Black / White scan speed 60 ppm ( 300dpi )
     - Paper size support A3/Letter
     - High Speed USB 2.0 connection
     - Duplex scanner,ADF support
     - Left blank page ,Brightness ,Contrast automatic


Optical Resolution :

     - Color(24 bit),Grayscale(8 bit),Monochrome
     - Adjustment 100 - 600 dpi