Feature:1. CMOS image processing technology, can read barcodes or QR codes such as mobile WeChat in any direction in 360, or even scan some incomplete, damaged or defaced barcodes or QR codes2. Concise design and beautiful appearance, coupled with professional scanning performance, can provide users with an extremely comfortable and convenient user experience3. With large scanning window can provide users with a large field of view4. Can quickly and easily scan all kinds of printed barcodes, commodity codes and mobile phone screen barcodes5. Wide range of applications, can be used for supermarket mobile payment WeChat QR code payment, etc.Specification:Item Type: Desktop Barcode ScannerImaging Sensor: CMOSLight Source: 620nm visible red light diodeTrigger Mode: Continuous, automatic inductionInstructions: Buzzer and LEDResolution: 640 x 480Interface: RS232, USBDecoding Speed: 500 times or secondResolution: 4 millionMinimum Contrast: 25 percent Decoding Ability: 1D: UPC or EAN,with complementary UPC or EAN,Code128,Code39,Code 39Full ASCII, Coda bar, industrial or Interleaved 2 of 5 Code93, Code11, ISBN, ISSN, China post, GS1 Databar, etc.2D: PDF417 QR Aztec DataMatrix Maxicode MicroPDF417 etc.Depth of Field: 40-120mm code39 (5MIL)20-300mm EAN-13 (13MIL)20-150mm PDF417 (6.8MIL)15-250mm QR code (20MIL)Scanning Angle: Roll 55, pitch 25, tilt 75Working Voltage: 5VCurrent Maximum: 212mAWorking: 156mA-212mAStandby: 156mA.Package List:1 x Desktop Barcode Scanner1 x User Manual Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.