YHD-9800 Desktop 1D/2D/QR Barcode Scanner USB Wired Bar Code Reader CMOS Image Hand-Free for Mobile Payment 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 /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℃~60℃( -4° to 140°F) Storage Temperature: -40℃~70℃( -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)