GM65 1D 2D Barcode Scanner USB UART PDF417 Bar Code Reader QR Code Module for Bus Supermarket Hospital USB wired barcode scanner to capture 1D, 2D code on labels, paper, mobile phone or computer._x000D_ High-efficiency recognization and high upload speed for improving your working efficiency._x000D_ With buzzer for reminding you that the scanning successfully or not._x000D_ Compatible with USB and UART interface._x000D_ Over 180 configurable options_x000D_ _x000D_ Macro support replace a string in the bar code with another_x000D_ Programmable preamble postamble and termination strings_x000D_ Superior reading performance utilizing advanced decoding algorithms_x000D_ Colour: black_x000D_ Material: plastic_x000D_ _x000D_ Package Contents:_x000D_ 1 x Barcode Scanner_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_