1、Two-dimensional wired scanning gun, can scan paper and screen 1D and 2D codes 2、The barcode device provides accurate, easy-to-use and fast data entry solutions for computer information systems 3、Powerful assistant for QR barcode scanning, easy identification of QR codes, keeping pace with the times, a powerful assistant for modern office 4、Just plug the connector into the USB port of the computer and the POS machine, and wait for a while to work 5、Plug and play, no need to set up, no complicated driver installation process 1 x Barcode Scanner1 x USB Cable Item Type: Barcode ScannerSymbologies: QR，Micro QR，PDF417，Maxicode，Data for Matrix,AZtecCode, UPC-E，UPC-A，EAN-8，EAN-13，128，UCC/EAN-128，AIM 128，ISSN，ISBN，39，Interleaved 2 of 5，ITF-6，ITF-14，for Matrix 2 of 5(European for Matrix 2 of 5)，Industrial 25，Standard 25，Codabar, 93，11，Plessey，for MSI-Plessey，RSS-14，RSS-Limited，RSS-ExpandResolution: ≥ 4 MillionDepth of Field: EAN13 15mm-350mm (13mil)；Barcode 39 5mm-145mm (5mil)；PDF 417 5mm-80mm ( 6.67mil)Data for Matrix 5mm-73mm (10mil)；QR Barcode 5mm-135mm (15mil)Print Contrast Ratio: ≥ 20%Reading Angle: Roll : 360°，Pitch : ±60°，Skew : ±60°Field of View: Horizontal: 40°. Vertical: 45°Mechanical / Electrical: Interface: Keyboard wedge, RS-232, USB (HID or V-COM)Working Voltage: 5 VDC±10%Operating: 180mAStandby: 55mAEnvironmental: Operating Temperature: -20℃ - +60℃Storage Temperature: -30℃ - +70℃Humidity: 5% - 90%（no-condensing）Ambient Light: 0~ 100.000lux (net light)ESD: ±9 KV (contact discharge); ±15 KV (air discharge)