Sensitive sensor, fast decoding, reads both paper and screen codes. Suitable for retail, medical equipment, traffic management, intelligent device development, and other fields. Built-in fill light: The light provides auxiliary illumination for and reading, improving reading performance and adaptability to low-light conditions. Users can set it according to the application environment. Multi-system compatibility: Supports for XP, 7, 8, 10, Linux, Android, for , and other mainstream operating systems. GM861-LED Performance Parameter: Sensor:CMOS Scan Mode:640x480 GM861-LED Indicator Light:White light as power on Green light as read successfully GM861-LED Fill Light:White light Read Code Type: 1D: -13, -8, UPC-A, UPC-EISSN, , CodaBar,Code 128, Code93, ITF-14, ITF-6, Interleaved 2 of 5,Industrial 2 of 5, Matrix 2of 5, Code 39,Code11, -Plessey, GS1 Composite,GS1-Databar (RSS) 2D: QRCode, DataMatrix, PDF417, Micro-QR, Micro-type PDF417, GM861-LED Reading Distance:5-30cm Contrast: 25% Scan Angle: Roll:360°Pitch:65°Yaw:65° Viewing Angle:67°(Horizontal)53°(Vertical) Accuracy of reading: equal 10mil Mechanical/electrical Parameters: Interface:TTL-232/USB Prompting Mode:LED Indicator Operating Voltage:3.3V Operation Current:70mA(Max) Standby Current:less than equal 6mA(Typical) Startup Time:less than equal 250mS (Typical) Color:Black Material:Aluminum Alloy Package Contents: 1 * Barcode Module 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.