English English
Bar code scanner, also known as bar code reader, bar code scanning gun, bar code scanner, bar code scanning gun and bar code reader. It is a reading device used to read the information contained in the bar code. Using the optical principle, the content of the bar code is decoded and transmitted to the computer or other equipment through data line or wireless. It is widely used to scan the bar code of goods and documents in supermarkets, logistics express, libraries and so on.
