Feature 1BARCODE REREAD PREVENTION TECHNOLOGY: This 2D barcode scanner use intelligent product detection technology. After scanning the barcode, the product should be completely taken out of the window, and the code will be read a second time after re entering, completely solving the problem of reread misscan 2FAST AND EFFICIENT: 2D hands free barcode scanner use high frame rate CMOS sensor and custom lens combined with excellent image algorithm to quickly recognize all types of bar codes 3SELF SENSING SCANNING FREE HANDS: Just put the bar code near the desktop scanning gun, can automatically wake up and read, without key scanning, saving energy and time 4COMPATIBLE WITH ALL SYSTEMS: 2D QR barcode hands free scanner is plug and play, support for LINUX, for ANDROID, for Windows XP, for WIN 7, for WIN8, for WIN10, for OS X and other operating systems 5WIDE APPLICATION: Omnidirectional USB wired desktop barcode reader is ideal for supermarkets, malls, bookstores, drug stores, libraries, gift shops, boutiques, sporting goods stores, jewelry stores, multimedia stores, florists and other retail outletsItem Type: 2D Hands Free Barcode ScannerOne Dimension: EAN-8, EAN-13, EAN-13 2 add-on, EAN-13 5 add-on, ISBN, UPC-A, UPC-E, Code 39, Code 39 FulIASCII, Code 93, Code 128, Codabar. Industrial 2 of 5. Interleaved 2 of 5, Matrix 2 of 5, GS1-128, GS1 DataBar (for RSS14), Stacked (GS1 DataBar) Limited, Standard 25, GS1 DataBar Expanded2D: PDF417, MicroPDF417, MicroQR, Data Matrix, QR CodeImage Sensor: 640x480 CMOSSystem Compatibility: For Linux, for Android, for Windows XP, 7, 8, 10, for OS XMinimum Recognition Accuracy: Code 39 code 4milScanning Bar Code Type: Paper, film type one dimensional two dimensional bar code; Mobile phones, tablets and other screens one dimensional two dimensional bar codesMotion Tolerance: 3.2m/sScanning Mode: Self sensing continuous reading mode .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Barcode Scanner1 x User Manual