Blurex 900DPI Mini Handheld Portable Wand Scanner Scanning Resolution up to 900 DPI, 900/600/300 dpi, color/monochrome scan selection Very compact, travel friendly. Good for scanning documents, books & pictures up to A4 Size Resolution: Standard Resolution: 300x300dpi (default); High Resolution: 900x900dpi External Memory: Support Micro SD card up to 16GB Optical Character Recognition (OCR) software included