Microware Portable USB Document Scanner built in real time scanning detector to avoid image distortion, the high quality speed controller can scan one A4 paper within 3 seconds. It support save in format of PDF and JPG, you can modify scanned documents by Windows Imaging, PHOTO Shop and other similar image modification OCR software. OCR Function Installed: The OCR software can transfer JPEG to Word etc kinds of format, it is easy to operate and carry. Makes your office work more efficient and convenient. (Support Windows system only)