Specifications: Color: Black/ Silver/ Red/ Blue/ Green (Optional) Resolution: 900DPI/ 600DPI/ 300DPI Indicating Light: Green--scanning, red--scanning too quickly Number of sensor elements: 5136 dots (1st~5104 dots available) Scanning Speed #xff08;A4 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: 8GB TF memory card (inserted into the machine) File format: JPG/PDF Display Panel: Status TN Auto Power Off: 3 Minute USB Port: USB 2.0 high speed Operation System: Windows XP/ Vista/ 7/10, Mac10.4 or above. Power Source: 2 * AA battery (not included) Item Size: 25.5 * 2.8 * 3cm/ 10 * 1.1 * 1.2in Item Weight: 148g/ 5.2oz (only the scanner) Package Size: 30.7 * 10 * 4.8cm / 12.08 * 3.94 * 1.89in Package Weight: 330g / 11.64oz Note: Battery is not included in the package. The memory card is inserted into the machine. Package List: 1 * Scanner 1 * USB Cable 1 * Bag 1 * 8GB TF card 1 * Cleaning Cloth