1.Hand-held 1D&2D Laser usb reader 2.COMS sensor 3.Supports 1D barcode and 2D codes (QR Code, Datamatrix, PDF417,Maxicode,etc Hand-held 2D Laser usb reader Product ... Reading . Specification: PerformanceImage Sensor CMOSResoluing 752 * 480Interface RS232/USB PortSymbologies2DPDF417,QR Code(Model 1/2),DataMatrix(ECC200,ECC000,050 ... Class B, CE EMC Class BPicture shows: Hand-held 2D Laser usb reader