Visioneer OneTouch 9120 USB Flatbed Scanner with 35mm Adapter 4,800 x 2,400 dpi optical resolution, 4,800 dpi interpolated 48-bit color depth, 16-bit grayscale 8.5-by-11.69-inch maximum scan area Built-in backlight and film holder for 35mm slides and negatives Fast USB 2.0 and 1.1 connectivity; PC compatible