QR code on a cloudQR code on a cumulus cloud. Digital composite. QR (Quick Response) code is a matrix (two-dimensional) barcode that is optically machine-readable. It is widely used for a variety of purposes. Here the QR code symbol has content string QR code, version 3, EC level Q and is coded using version 3 and error correction level Q. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Turtle Rock Scientific |
Taille de l’image : | 5142 px × 3409 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |