NETUM NT-2055M High Speed Omni Automatic Flatbed 2D Barcode QR code Hands-Free Scanner. (Automatically Reading Function) The powerful 2D Scanner and the compact size allow users to aim intuitively with accuracy even if space is limited. Furthermore, it is designed to read barcodes off smart phone screens even when they are in low backlight settings. It is the perfect solution for any space-constrained environments. Enhanced to quickly scan barcode at low-brightness on smart phone screen Enhanced scanning on reflective surfaces Enhanced scanning sensitivity, range, and speed Enhanced readability in special environments Easy to use; setting change not necessary for different applications DECODING CAPABILITY 1D Barcode: UPC/EAN [UPCA/UPCE/ EAN-8/ EAN-13, ISBN (Bookland), ISSN], Code 39 (Standard, Full ASCII, Trioptic, Code 32 (Italian Pharmacode), Code 128, Code 93, Codabar, 2 of 5 (Interleaved 2 of 5, Discrete 2 of 5, Matrix 2 of 5, Code11), MSI Plessey, GS1 DataBar (Omnidirectional, Truncated, Stacked, Stacked Omnidirectional, Limited, Expanded, Expanded Stacked) 2D Barcode: PDF417, MicroPDF417, Composite Codes (CC-A, CC-B, CC-C) , Aztec (Standard, Inverse), Maxicode, Data Matrix/ ECC 200 (Standard, Inverse), QR Code (Standard, Inverse, Micro)