Canon 7090C, DR. Maximum scan size: 297 x 420 mm, Scanner type: Flatbed, Optical scanning resolution: 600 x 600 DPI. Bundled software: ISIS/ TWAIN Drivers (Windows 2000/XP Pro/ XP Home/ Vista) Capture Perfect 3.0. Weight: 41 kg. Power consumption (typical): 210 W, Power consumption (standby): 6.4 W, Input frequency: 50/60 Hz. Operating relative humidity range: 25 - 80 %