By scanning a QR code in the upper right corner of the label, consumers will have access to more detailed product information in the European Product Registry for Energy Labelling, called EPREL.
The EPREL database will also help national market surveillance authorities to verify that the products comply with requirements on energy efficiency and that the information on the label is correct.
More info here.
Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice