NETUM 12MP Auto-Focus Document Camera Scanner For A3A4 Size HD Scanning For Books, Photos and Office 1. 12MP A3 document camera (compatible with A4A5A6), adjustable shooting frequency enables continuous scanning. With auto-cropping selection and one-click ID photo composition for white-background ID photos. Features 3-level 4-LED fill lights and OCR text recognition supporting 200and languages 2. Appearance: Foldable upright design, plastic housing 3. Scanning range: A3 4. Pixels: 12 megapixels 5. Resolution: 1024 x 768 6. OCR: (OCR) and WordExcelHtmlPdfRtfTXTCSV 7. Frame rate: 5-20 8. Fill light control: Three-level touch-controlled dimming 9. Image formats: BMPJPEGGIFPNGTIF 10. Video formats: AVIWMV 11. Media types: BooksDocumentsMagazinesImages3D objects, etc. 12. Lens: Auto-focus 13. Sensor: CMOS 14. Color depth: 24-bit 15. Image adjustments: BrightnessContrastSaturationColor selectionDeblacken edges 16. ExposureWB: Auto 17. Light source: LED fill light 18. Interface: USB 2.0 (no external power required) 19. Operating voltage: 4.75V - 5.25V 20. Operating current: 900mA 21. System requirements: Compatible with Windows, Mac and Linux OS