Compact mobile scanner wirelessly transfers scanned 8-1/2" x 32" documents and more to Wi-Fi-enabled devices for convenient document management. Scan up to 8 pages per minute in color or black/white. You can also easily scan photos, ID cards and more. The DS-820W is powered by rechargeable Li-ion battery or USB (both included). The scanner is bundled with a complete suite of scanning software for receipts and business cards and includes a 4GB SD Memory Card.