product description : epson scanner scanner type : flatbed color image scanner photoelectric device : epson matrixccd 12-line, color sensor resolution : 6400 dpi (max) optical 6400 x 9600 dpi hardware 12,800 x 12,800 dpi max effective pixels : 54,400 x 74,880 (6400 dpi) bit depth : 48-bit internal/external colour 16-bit internal/external grayscale optical density : 3.4 dmax transparency unit : 35mm transparency adapter, 12 negatives/4 slides, medium-format film (6 x 12 cm) buttons : 4 buttons: scan, e-mail, copy and pdf scan area : 8.5 x 11.7 inch max light source : readyscan led technology interface : hi-speed usb 2.0/1.1 scanning speed : 4800 dpi high-speed mode : 16.98 msec/line(mono/colour) dimensions(h x w x d) : 113 x 475 x 272 mm weight : 4 kg