Portable Scanner 300dpi 600dpi 900dpi Quick Scan Handheld JPEG PDF Scanner for Businessmen Students Doctors Item Type: Portable Scanner Material: ABS Power Supply Method: 2 x AA batteries (not included) Image Sensor: A4 Color Contact Image Sensor Number of Sensor Components: 5136 points (lst to 5104 points available) Scanned Photo Size: A4 Scanning Speed (A4 size): High Resolution, Color greater than or equal to 10S Medium Resolution, Color greater than or equal to 8S Low Resolution, Color greater than or equal to 3S Scanning Width: Approx. 8.27in / 21.01cm Scan Length (varies depending on the complexity of the content): High Resolution Approx. 35in / 88.9cm Medium Resolution: Approx. 45in / 114.3cm Low Resolution: Approx. 98in / 248.92cm Capacity (based on 2GB micro storage card. A4 size, number of scans varies depending on content complexity): 900 DPI Color: 300 PCS JPG or PDF (minimum) 600 DPI Color: 400 PCS JPG or PDF (minimum) 300 DPI Color: 1500 PCS JPG or PDF (minimum) Image Resolution: Low resolution: 300 x 300 dpi (default) Medium Resolution: 600 x 600 dpi; High Resolution: 900 x 900dpi; Internal Flash: SPI flash External Storage Card: Micro storage card (memory card) up to 32 GB (without) File Format: JPG (default) PDF Display Screen: For Status TN Automatic Power: 3 minutes Supported Systems: For Windows XP, for Vista, for 7 and for OS X 10.4 or higher drivers