High-Performance Scanning: The GM811 Series QR Code Scanner Module is equipped with advanced scanning capabilities to efficiently read QR codes and other barcodes, supporting PDF417 format for diverse applications. Versatile Connectivity: Featuring both USB and UART interfaces, this scanner module offers flexible connection options, making it compatible with a wide range of devices and systems, including environments. Design: Encased in a robust metal housing, the GM811 scanner module is built to withstand the rigors of continuous use in demanding environments, ensuring long-term reliability and performance. Compact and Efficient: Its compact design allows for easy integration into setups without compromising on scanning efficiency, making it ideal for embedded systems in retail, healthcare, and industrial applications. mage Sensor:CMOS Pixels: 640*480 Illumination: White Light Decoding Success: Blue Light Code Types: 1D: -13, -8, UPC-A, UPC-E ISSN, , CodaBar, Code 128, Code93, ITF-14, ITF-6, Interleaved 2 of 5, Industrial 2 of 5 2D: QR Code, Data Matrix, PDF417, Micro-PDF417, Micro-QR, Symbol Contrast: 25% Reading Angle: Rotate 360°, Deflect 65°, Tilt 65° Scanning Angle: 60° (Horizontal), 53° (Vertical) Communication Interface: UART Dimensions:(mm) 50 x 50mm Prompt:Buzzer, LED Indicator Operating Voltage:3.6-6.5V (Recommended 5V) Maximum current: 300mA Sleep current:less than equal 6mA (typical) Startup time:less than equal 250ms (typical) Color:Black Material:plastic Package Contents: 1 * Scanner Module 1 * Installation Kit Only the above package content, other products are not included. 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.