A3 A4 Document Scanner with LED Light 12MP HD 3672x2856 Resolution File Scanning Camera for Office Teaching Item Type: Document Scanner Model: H3 Input: 5V Resolution: 3672x2856 Pixels: 12MP Image Color: 24 Bits Zoom Mode: Automatic Focus USB Interface: USB 2.0 (direct connection to computer) (with USB flash drive) Light Source: Natural Light and LED Fill Light Scanning Size: A3 A4 and below Image Format: JPG, PNG, BMP, TIF, PDF, etc. Scanning Type: Document, ID, book, assignment, magazine, paper, etc. Support System: For P4 or equivalent CPU, 512M or more, supports for Windows 2003, for Windows XP, for WIN 7, requires for WIN 8, for WIN10, host needs USB 2.0 built in adapter card or external USB 2.0 adapter card, for MS Direct X9.0 or later versions Use: Home, teacher, lawyer, administrative, financial, company Scanner Size: Approx. 260 x 375mm / 10.2 x 14.8in Base Size: Approx. 120 x 90mm / 4.7 x 3.5in