GM861S/B1 Embedded Barcode Scanner Automatically Reads Barcodes UART/USB Interface 1D/2D QR Code Barcode Reader Module Built-in barcode scanner module for fast recognition of various barcode types USB/TTL-232 communication interfaces meet diverse application needs Driver-free design, plug and play Multiple barcode reading modes, including continuous scanning, induction scanning, command trigger, and manual trigger, meet different application needs Multi-system compatibility: Supports for Windows, Linux, Android, for Mac, and other mainstream operating systems. Performance Parameter: Sensor:CMOS Scan Mode:640*480 Indicator Light: Green light as read successfully GM861-LED Fill Light:White light Read Code Type: 1D: EAN-13, EAN-8, UPC-A, UPC-E ISSN, ISBN, CodaBar, Code 128,Code93,ITF-14,1TF-6, Interleaved 2 of 5, Industrial 2 of 5, Matrix 2 of 5, Code 39,Code 11, MSl-Plessey,GS1-Databar(RsS) 2D: QR Code, Data Matrix, PDF417, Micro-type PDF417, Micro-type QR, Aztec Contrast:Greater than 25% Scan Angle:Roll:360°Pitch:65°Yaw:65° Viewing Angle:67°(Horizontal)53°(Vertical) Accuracy of reading:greater than equal 10mil Interface:TTL-232/USB Prompting Mode:LED Indicator Operating Voltage:3.3V Operation Current:70mA(Max) Color:White & Black Material:plastic Package Contents: 1 * Barcode Reader Module