HP Scanjet G4050 Photo Scanner. Maximum scan size: 216 x 311 mm, Scanner type: Flatbed, Optical scanning resolution: 4800 x 9600 DPI. Standard interfaces: Hi-Speed USB 2.0. Weight: 5.3 kg. Power consumption (typical): 25 W. Operating temperature range (T-T): 10 - 35 °C, Storage temperature range (T-T): -40 - 60 °C, Operating relative humidity range: 0 - 90 %