Easy to operate, no need to understand complex recognition algorithmsSupport for reading of common one-dimensional codes and two-dimensional codes such as Barcode and QROnboard - USB and UART serial port for access to a computer or embedded deviceOnboard auxiliary light source for reading in a completely dark environmentSupport for setting module parameters by scanning the setup code (see the specification for details)Compatibility: All CompatibleCamera Equipped: YesColour:blackMaterial:Metal + plasticSize:65*28*13.5mmPackage Contents:1* modulesOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.