USB wired barcode 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 options. Macro support replace a string in the bar code with another. Programmable preamble postamble and termination strings. Superior reading performance utilizing advanced decoding algorithms.Global Exposure, Movement speed: 20cm/sModel:GM75Type:Barcode ScannerDecoding Ability:1D: EAN-13, EAN-8, UPC-A, UPC-EM ISSN, ISBN, CodaBar, Code 128, Code93, ITF-14, ITF-6, Interleaved 2 of 5, Industrial 2 of 5, Matrix 2 of 5, GS1 Databar(RSS), Code 39,Code 11, MSI-Plessey, etc2D: QR Code, Data Matrix, PDF417, Micro-PDF417, Micro-QR, Aztec,etcInterface:USB2.0 / UARTResolution1D: 3MIL(Code39,CODE128,EAN13)2D: 5MIL(QR,DM,PDF417)Operating Voltage:5VOperating Current:250mA(Max)Weight:31.3gSize:53x49x23.7mmLighting:White Light (3000K)Collimation:Green Light (527nm)Scan Angle:Roll:0-360°, Pitch: +/- 60°, Yaw: +/- 60°Viewing Angle:Horizontal 42°,Vertical 32°Contrast: greater or equal to 15%Reading Distance:30 - 550mmOperating Temperature:-20 degrees to 60 degreesStorage Temperature:-40 degrees to 70 degreesTemperature Humidity:5% to 95% Relative humidity, Non-condensingLight Levels:0-85000LUXColour: blackMaterial: metal + plasticPackage Contents:1 * Scanner module engineOnly the above package content, other products are not included.Note: Light shooting 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.