GM67 Features:USB wired scanner to capture 1D, 2D code on labels, paper, mobile phone or computer.High-efficiency recognization and high upload speed for improving your working efficiency.With buzzer for reminding you that the scanning successfully or not.Compatible with USB and UART interface.Over 180 configurable Macro support replace a string in the bar code with anotherProgrammable preamble postamble and termination stringsSuperior reading performance utilizing advanced decoding algorithmsYou can dowload GM67 manual from the following website:https://.dropbox.//buysgr2aeutuub3/AADsvupiGseFm-6IowMBWGCOa?dl=0GM67 Operation Video on : https://.be/nlZAcnFSypoColour: greenMaterial: pcbPackage Contents:1 * GM67 scanning module1 * USB cable1 * Serial port cableOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.