1: Specifications OPERATIONAL Readable code[LCD & Paper]:DM Code, QR Code (microDM/QR Codeoptional) Resolution: 0.33 mm Scanning area: 48 *37 mm Scan Angle: 360° Light Source: LED light CMOS: 640*480 Reading confirmation: Beeper Scan Rate: 30 scans/sec, adjustable Interface: USB 1.1compliant Operating System request: Windows 2000, Windows XP, Vista, Windows 7 APPLICATION Support a third party develop ELECTRICAL Power source: Supply from USB port PHYSICAL Dimensions: L*W*H 135*81*98 mm(device only) USB cable length: 1.5m Weight:252 g Material: Rubber, ABS plastic, Glass ENVIRONMENTAL Operating Temperature: 0°C - 40°C (32°F - 104°F) Humidity-operation: 10% to 85% relative humidity, non-condensing WARRANTY One year free of charge for repair2: Advantage *Cost-effective: Most cost-effective 2D barcode reader *High-effective: With light module, it can scan in different kinds of environment *Support integration: The interface of the integrated is simple to use *Simple Operation: Just put 2D barcode to the scan window, it will read the barcode data automatically.3: Use *Apply to 2D barcode solution of mobile phone *Apply to e-ticket, e-coupons, e-card solution *Apply to 2D barcode solution of chain shops such as entertainment, supermarket, and restaurant