Barcode scanner 1.Comfortable operation 2.Interface:USB,Parallel, ... need of 1D and 2D bar code scanner,like retailing ,hospital ,producing ,post ,etc.This scanner is characterized by stable performance ... Roll)Decode capability :All 1D Bar code 2D:PDF417, MicroPDF417, QR Code, Data Matrix, Han Xin Code, Aztec CodeIndicator :Beeper, LEDInterface supported ... New Qualified 2D MJ-6230 mini barcode scanner