Wide Application: The max. scanning size is A4, can be used to scan various sizes of documents, including file, bill, ID card, passport and other documents of similar size. Widely used in office, classroom, library, bank, hospital, etc; can effectively improve our work efficiency. Other Functions: Support reproduction archiving, ebook production, signature production, bar code recognition OCR recognition, network fax, DV video recording, etc. After being captured, the images can be optimized by adjusting the brightness, saturation, contrast, sharpness, etc. Practical: With LED fill-in light with 3 level brightness, touching to adjust the light you need; Easy to install and operate, novice can quickly learn to use it. Useful Accessories: Comes with a USB cable for computer connection, convenient for you to use the camera scanner better. Specification: Model: H4 Size: 320 x 260 x 90mm (unfolded), 320 x 120 x 90mm (folded) Weight: 720g Material: Plastic #43; Aluminum Alloy Power: USB Supply Interface: USB 2.0 Image Color: 24 bits Scanning Speed: About 1sec Resolution: 3264x2448 Zoom Mode: Manual Zoom Light Source: Natural Light and LED Light Focusing Mode: Adjustable Precise Focusing Image Format: JPEG, GIF, BMP, TIF, PDF, etc Shooting Size: A3, A4, A5, A6, A7, etc Support System: P4 or the same CPU, 512MB or above, support Windows 2003, Windows XP, WIN 7/ 8/10; The host must have a built-in USB2.0 adapter or an external USB2.0 adapter MS Direct X9.0 or later. Package Size: 460 x 170 x 120mm/18.1 x 6.7 x 4.7in Package Weight: 1500g/3.3lbs Packing List: 1 x Scanner 1 x Plate 1 x USB Cable 1 x Flash Disk