This portable document scanner is specially designed for using in office, classroom, library, bank, hospital, etc. With one HD image sensor (8 Mega-pixel) , it can achieve high speed (about 1 second) real time scanning. With overhead CMOS sensor design, adjustable height and max. scan size is up to A3(extended)/ A4, which increasing types of documents or objects that can be scanned, such as documents which are of varying sizes and shapes or in folders, and objects like books, magazines, ID card, passport, etc. It also supports photo taking, PDF creating and other functions. With it, your work will become more convenient, more efficient and more environmentally friend-ly. Features: With one CMOS image sensor, 8 megapixels and 3264 * 2448 high resolution, giving you more clear scanning files. Adopts non-contact scanning technique which increasing types of documents or objects that can be scanned. With adjustable height(31-41cm ), and max. scanning size is A3(extended) or A4(non-extended). High speed scanning, just click the mouse, then you can get the picture in about 1 second, very efficient. Supports OCR function(can recognize English & Chinese), which can convert image format into editable word format. After being captured, the images can be optimized by adjusting the brightness, saturation, contrast, sharpness, etc. Supports PDF creating function and combining multiple PDF files into one, ideal for E-Book making. Supports real-time image capturing and showing via the projector that connected to your computer, ideal for teaching show, product show,etc. Equipped with LED light for helping you to get clear image in dark environment, very considerate design. Adjustable height is from 31-41cm, flexible to use, and folding design makes it easy to store and carry. Specifications: Sensor: CMOS(8 megapixel) Scan Speed: about 1 second Resolution: 3264 * 2448 Image Color: 24 bit Scan Size: Max.A3(extended); Max. A4(non-extended) Scan Type: documents, documentary evidence, ID card, passport, note, picture, magazine, book, three-dimensional material object, etc. Image Control: brightness, saturation, contrast, sharpness, etc. Picture Format: JPG, PNG, BMP, TIFF, PDF Interface: USB 2.0 Power Supply: Powered via USB cable USB Cable Length: about 1.8 meters System Supported: P4 or other CPU with same rank, 512M memory or above; Windows 2003/ Windows XP/ WIN 7/ WIN 8/ WIN 10 with USB 2.0 adapter card, MS Direct X9.0 or above Focus: Manual Pad Size: 45 * 40cm / 17.7 * 15.7in Adjustable Height: 31-41cm / 12.2-16.1in Item Size: 31 * 8 * 6.5cm / 12.2 * 3.1 * 2.6in Item Weight: 555g / 1.2lb Note: You need to connect the scanner to your computer via the included USB cable first, and then the installation of relative software is required before using the scanner. You can get the software from the included USB disk. Please feel free to contact our customer service to get new software file if you encount-er problems during software installation.