It is always recommended to install barcode scanner whether you have larger or small-sized stores. Not just to add inventory to your POS software's database but barcode scanners also are accurate and time-saving device regardless of how much products your customers has. If you wonder how it work, the barcode scanner will simply read the series of numbers as well as barcode of the products and sends the information to the computer. Having fast and efficient check out activity can make a huge impact in your business sucess, so why not make advantage to it?