QR Code. A QR code (short for "quick response" code) is a type of barcode that contains a matrix of dots. It can be scanned using a QR scanner or a smartphone with built-in camera. ... For example, scanning a QR code with your phone might open a URL in your phone's web browser.
What the Seller needs to start the work
Logo, URL Link, Text for which QR Codes are to be generated