Description: Portable scan images or pictures quickly and store files, plug and play, fit for Windows XP/7/Vista or above version. 3 modes of resolution, 300dpi/600dpi/900dpi. Note: No software installation is required. You need 2 AA batteries ( not included) Lightweight, convenient to carry outside. stored in SD card, support USB connection to transfer data to computer or phone. 32G SD card(not included), JPEG/PDF format. Can be used for bank,home, office, library or outdoors. Specification: Image sensor: A4 color photoelectric sensor White balance: automatic Scanning resolution: 300DPI, 600DPI, 900DPI Storage format: JPEG/PDF Scanning range: A4 (216mm) Scanning speed: Colorful 900DPI 10 second / page Colorful 600DPI 8 second / page Colorful 300DPI 3 second / page Storage volume ( based on 2G TF card ): Fine-resolution ( 900DPI ) - 300 pages High-resolution ( 600DPI ) - 400 pages Low resolution ( 300DPI ) - 1500 pages Storage method: /TF card (Not included) Extended memory: /TF (1G-32GB) Transmission method: USB2.0 Power source: 2x AA batteries (Not included) Working mode: offline scan Automatic shutdown: automatically power off after 3 minutes of inactivity Standard accessories: USB cable, protective cover. Scanning software: can support Windows Imaging, image processing OCR software. System environment: Windows 2000/ME/XP etc. Size Chart: Size: approx. 255x28x25mm / 10.04x1.10x0.98 inch Package Includes: 1 Piece Handheld Scanner 1 Piece Manual 1 Piece USB Cable 1 Piece Pocket 1 Piece Calibration Card 1 Piece Software CD Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!