Shangchen SC-1202-2D-B Economical Two-dimensional Image QR Barcode Scanner

"Bit rate: 1/8 million times Trigger mode: manual key scan Readable code system: EAN13 (13mil): 55mm - 320mm, and all 1D barcodes PDF 417 (6.7mil): 70mm - 155mm Data Matrix (10mil): 55mm - 175mm QR Code (15mil): 35mm - 220mm; Decoding speed: 300 times / sec Reading accuracy: >=5mil Communication interface: USB-HID, USB analog serial port, Light source: has one LED white light fill light with a wavelength of 455nm10%"