Compared with one-dimensional bar code, two-dimensional code not only has the distinguishing function, but also can display more detailed commodity content. For example, clothes can not only show the name and price of clothes, but also show what materials are used, the percentage of each material, size of clothes, suitable height for people to wear, as well as some washing considerations, without the cooperation of computer database, simple and convenient. In order to meet the new requirements, a two-dimensional barcode scanning gun was developed on the basis of one-dimensional scanning gun, so two-dimensional barcode scanning gun can scan one-dimensional barcode, but also can scan two-dimensional barcode.
Therefore, the most important difference between the two is that one-dimensional barcode scanning gun can only scan one-dimensional barcode, and can not scan two-dimensional barcode, and two-dimensional barcode scanning gun can scan one-dimensional barcode, but also can scan two-dimensional barcode. The two are barcode equipment developed under the background of social needs.