Eyoyo Handheld Wired USB 2D/qr Barcode Scanner CCD Bar Code Reader for Mobile Payment Computer Screen Scanner 2D/QR BARCODE SCANNER:Eyoyo 2d/qr Barcode Scanner can easily capture bar codes 1D, 2D on labels, paper, and mobile phone or computer displays,Sensitive and accurately CCD OPTICAL IMAGING SCANNING TECHNOLOGY: Which can identify screen code, incomplete code and fuzzy code etc, Effectively compensate for the problem that scanner can not identify screen code DECODE CAPABILITY:Australian Post, Aztec, BPO, Canada Post, Codabar, Codablock, Code 11, Code 39, Code 93, Code 128/EAN128, DataMatrix, Dutch Post, EAN.UCC Composite, Interleaved 2 of 5, Japan Post, Matrix 2 of 5, MaxiCode, MicroPDF417, MSI Code, PDF417, Planet, Plessey Code, Postnet, QR code, RSS, Standard 2 of 5, Telepen, TLC 39, UPC/EAN 2D SCAN: DataMatrix(ECC200),QR Code,PDF417 ,For DataMatrix(ECC200) the default is off ,if you want open this function ,please contact us EASY OPERATE:Plug and Work, 1.5m USB wired cable(no need battery), Easy to use,please contact us ,we will offer software for you for update.