1[Strong Decoding Capability] Our barcode scanner, equipped with advanced CMOS sensor, could easily and accurately decode most 1D and 2D QR codes on labels, paper, and screens. 2[Versatile Scanning Modes] This handheld barcode scanner features push button triggered scanning, automatic sensing scanning, and continuous scanning modes, offering a mode that suits every need. 3[Dual Connectivity Options] The barcode reader offers USB wired and 2.4G wireless connections, compatible with laptops, desktops, and POS systems, supporting for Windows XP 7 8 10, for Linux, for Android systems. 4[Comprehensive Code Support] Supports a wide range of 1D and 2D barcodes, including 1D: UPC EAN, Code39, Interleaved 2 of 5, Code93, Code 128, Codabar etc. and 2D: QR, Datamatrix, PDF417, Aztec etc. 5[Wide Applications] This barcode scanner is fit for supermarkets, bookstores, malls, retail outlets, logistics, warehouses for document management, inventory tracking, point of sale operations.