QR code created by sun and shadow
See the QR campaign where a QR code is created by the placement of the sun.
The QR code can only be scanned in a certain time period where products are available at reduced prices.
- Good thinking from Korean Emart!
Create free and safe QR codes!
Create a free account where you can create QR codes with unlimited scans.
From the free account your QR codes will be safe and work properly!
The Free account never closedown, and you always have access to the QR codes that you create from the account.