Download software tagged by directions

2D is reader to read the data Matrix barcodes and highly density barcode symbology with printed in square and rectangular pattern. QR code is 2D barcode is carry data in both directions vertically and horizontally and encode data easily scanned.

A firefighter bursts into a burning building and finds a bunch of people there who were on fire, but bad luck, his fire extinguisher failed and flew in all directions, now you need to use your own strength to direct the fire extinguisher to the fire