For Barcode Scanner connected via USB port, we use Zebra Symbol DS4208-SR Handheld Barcode Scanner. The process is very simple.
Step 1: Simply plug in the USB into the computer and the scanner will connect automatically.
Step 2: To test if it already works, open up a Notepad or word processing application and scan in a barcode. You will see the barcode number appear.
Finally, open the POS and scan a product barcode that has already been added in product catalog. The product will automatically appear in cart.