900DPI Resolution Portable Scanner for A4 Size Documents and Images - Black High resolution scanner for A4 size documents and images,excellent scanning performance Compact size and lightweight design,easy to carry around Built-in real time scanning detector,avoid image distortion Supports memory card up to 32G,can store large capacity files Direct plug-in,driver installation not required Suitable for businessmen,students,travelers,artists and amateur architects Specifications: Resolution: 900DPI/600DPI/300DPI Indicating Light: Green-scanning,red-scanning too quickly Number of Sensor Elements: 5136 dots (1st~5104 dots available) Scanning SpeedA4 size): High resolution with color10s; Medium solution with color8s; Low resolution with color3s Scan Width: 8.27 inch Internal Flash Memory: SPI flash Memory Card: TF card (not included) File format: JPG/PDF Display Panel: Status TN Auto Power Off: 3 Minutes USB Port: USB 2.0 high speed Operation System: Windows XP/Vista/7,Mac 10.4 or above Power Source: 2 x AA battery (not included) Item Size: 25.5 x 2.8 x 3cm/10 x 1.1 x 1.2in Item Weight: 148g/5.2oz (only the scanner) Package included: 1 x Scanner 1 x USB Cable 1 x Bag 1 x Disk 1 x Cleaning Cloth 1 x Manual Other items not included