1、2 Connection Methods: 2.4GHz wireless and USB cable connection; with mini USB receiver and USB data cable, plug and play, USB receiver paired automatically, no need to install any software or app. Easy to install and suitable for every situation and workplace. 2、Supports Reading 1D Code 2D Code, Printed and Screen Code: 1D: UPC A, UPC E, EAN 8, EAN 13, Code 128, Code 39, Code 93, Code 11, Interleaved 2 of 5 , Matrix 2 of 5, Standard 2 of 5, Coda bar, MSI Plessey, RSS, Codabar, ISBN, ISSN, GS1 DataBar(RSS14) etc. 2D: QR Code, Data Matrix, PDF417, Aztec code, Maxicode, etc. 3、2 Upload Modes: The wireless barcode scanner has 2 upload modes, instant upload mode and storage mode. Internal offline storage supports up to 100,000 barcodes in offline storage mode. Barcodes are scanned and stored away from the device receiver, then updated. 4、High Sensitivity CMOS Sensor: Supports reading positive and negative (white bars on black background) barcodes, and barcodes under conditions such as wide, twisted, slightly damaged, tiny, fuzzy, etc. can also be read. 5、Ergonomic Design: Made of high quality ABS, it can withstand repeated drops from 10ft/3m height to concrete floor, durable. Durable plastic material guarantees a long service life.