1. Quickly identify the one-dimensional code and two-dimensional code on the screen2. No plug-in required, fast invoicing3. Anti-slip and drop-resistant design4. Large reading window5. Integrated design of body and data cable. Compatible with multiple systems Pixel: 640 x 480CMOSAdvantages: Scan mobile phones / tablets / Alipay / WeChat / paper barcodesInterface type: USB / RS232 / TTLEnvironment light intensity: 0-100000 LuxLighting lamp: no lighting mode, reading bright mode, constant bright modeCode system: 1D: Code128, UCC/EAN-128, AIM-128, EAN-8, EAN-13, ISBN/ISSN, UPC-E, UPC-A, Interleaved 2 of 5, ITF-6, ITF- 14, Matrix 2 of 5,Industrial 25, Standard 25, Code 39, Codabar, Code 93, Code 11,Plessey, MSI-Plessey, GS1-DataBar (RSS), (RSS-14, RSS- Limited, RSS-Expand)2D: PDF417, Data Matrix, QR, Micro-QRReading accuracy: greater than equal 5milTypical reading depth of field: QR CODE (30MIL), 0-15CMCODE 128 (10MIL), 0-12CMBarcode sensitivity:Tilt: +/-50degree@ 0degree Roll and 0degree SkewRotation: +/-360degree@ 0degree Pitch and 0degree SkewDeflection: +/-60degree@ 0degree Roll and 0degree PitchLowest contrast: greater than equal 30%Prompt mode: buzzer, LED indicatorWorking voltage: 5VDC+/-5%Working current: 150mA+/-15mAStandby current: 80mA+/-2mAMaximum current: less than 200mAEnvironmental parameters:Working temperature: -20Celsius - +50CelsiusStorage temperature: -40Celsius - +70CelsiusRelative humidity: 5%-95% (no condensation)colour:WhiteMaterial:ABSsize:102 x 82 x 73mm Package Contents:1 x bar code reader Only 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 +/