Features:  CMOS image sensor. Super scanning and decoding ability, can read incomplete and fuzzy codes.  No driver, plug and play. Wide angle lens design, scans a large area.  Scans barcodes in sensitive lighting conditions, including through glass/plastic, in bright sunlight, in dark environments, or on curved/reflective surfaces.  Scanner reads 1D/2D/QR barcodes printed on labels or displayed on device screens.  Suitable for electronic tickets/coupons, mobile marketing and office automation, kiosks,medical equipment, etc.    Specifications:  Color: Black  Material: ABS  Optical Source: 620nm Visible red light diode  Optical Resolution: 640*480 CMOS  Scanning Speed: 500 times/s  Scanning Angle: Rotated: 55° Horizontal: ±25°  Vertical: ±75°  Trigger Mode: Continuous, Auto-Induction  Minimum Contrast: ≥25%  Interface Type: RS232, USB  Decoding Capability:  --1D: UPC/EAN, with complementary UPC/EAN, Code128, Code39, Code 39Full ASCII, Coda bar, industrial /Interleaved 2 of 5 Code93, MSI, Code11, ISBN, ISSN, China post, GS1 Databar, etc.  --2D: PDF417 QR Aztec DataMatrix Maxicode MicroPDF417 ,etc.  Depth of Field: 40-120mm Code 39(5MIL)                           20-300mm EAN-13 (13MIL)                           20-150mm PDF417(6.8MIL)                           15-250mm QR Code(20MIL)  Working Temperature: -20& 8451;~60& 8451;( -4° to 140°F)  Storage Temperature: -40& 8451;~70& 8451;( -40° to 158°F)  Relative Humidity: 0~95%  Drop Test: 1.5m fall to concrete  Working Voltage: DC 5V  Working Current: 212mA(Max.), 156-212mA(Working), 156mA(Stand-by)  Cable Length: 135cm  Item Size: 9.5 * 7.5 * 6.3cm/ 3.7 * 3.0 * 2.5in  Item Weight: 180g/ 6.3oz  Package Size: 17 * 10 * 8cm/ 6.7 * 3.9 * 3.1in  Package Weight: 250g/ 8.8oz    Package List:  1 * Scanner with Cable  1 * Manual Guide(English)