PS410(with micro SD 16GB) 900DPI Colour & Mono HandyScan Handheld Scanner Scanning Resolution up to 900 DPI, 900/600/300 dpi, color/monochrome scan selection Built-in 1) Realtime Scanning Detector to avoid distortion, 2) Over-speed alert to control scanning speed Save JPEG file directly to micro SD card or via USB port, Driver free to download for Windows 7 / Vista / XP and Mac OS10.4 or above Very compact, travel friendly. Good for scanning documents, books & pictures up to A4 Size Optical Character Recognition (OCR) software included