Plustek S410 Plus - Small USB Portable Sheet-Fed A4 Document Scanner for Windows 7 / 8 / 10 / 11 , OCR Software IncludeButton Free Scan S410 plus is a auto scan device, There is no need to push any buttons or click any screens. Digitize on the Go USB powered connect to your computer; No batteries or external power supply required Ultra compact Only about 410g in weight you can fit this device virtually anywhere (a bag, a purse, even a pocket). Versatile Paper Handling Easily scan documents up to A4 sized document, as well as business cards, plastic ID cards, invoices