1、Infrared Sensor Scanning: The specially equipped infrared sensor trigger enables the barcode scanner to support auto sensing scanning. Even when the hands free barcode scanner is in sleep mode, barcodes are automatically scanned once they are near the scanning window. 2、Plug and Play: Desktop barcode QR code scanner reader with USB interface, no need to install any driver and software, easily connect to your laptop, PC. 3、Hands Free: Our desktop barcode scanner will make you hands free. You don't need to hold it, just place it on your desk. It can greatly improve work efficiency. 4、Accurate Collection: Hands free barcode scanner accurately capturing barcodes 1D, 2D on labels, paper, cell phones or computer displays. Applicable for Windows XP 7 8 10 and for OS X and for Linux. 5、Large Scanning Window Design: Desktop barcode scanner with large scanning window can significantly reduce data entry errors, suitable for convenience stores, gift stores, boutiques, sporting goods, jewelers, video stores, florists and more. 1 x Code Scanner 1 x Manual1 x Data Cable  3 x Screw Item Type: Barcode ScannerMaterial: ABSOperating Voltage: DC5V Field Of View Angle: 69.2° (D) 57.2° (H) 44.2° (V)Communication Interface: USB, RS232, USB And RS232Rated Power Consumption: 2000mW (Typical)Image Sensor: CMOS Sensor With 640x480 PixelsIllumination: Red LEDRead Code System:2D: For PDF417, QR Code, Micro QR, for DataMatrix, for Aztec, for Handicode1D: For Codabar, for Code 39, for Code 32, for Industrial2of5, for Interleaved2o5, for Standard2of5, for Code 93, for Code 1, for Code 128, for UPC A, for QUPC E, for EAN JAN 8, for EAN JAN 13, for GS1 DataBar RSS14Typical Reading Depth Of Field:For EAN 13 (13mil): 10mm-160mm (Barcode Size: 31mmx7mm)For PDF417 (10mi): 10mm-100mm (Barcode Size: 26mmx15mm)For Code39 ( 5.5mi): 20mm-80mm (Barcode Size: 12mmx6mm)For DataMatrix (15mi): 10mm-120mm (Barcode Size: 7mmx7mm)For QR Code (15mil): 10mm-140mm (Barcode Size: 8mmx8mm)Barcode Sensitivity: Tilt 70°, Deflection ±70°, Rotate 360°