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QRCode model1:Original model. Model1 is the prototype of Model2 and Micro QR.1 to 14 versions are registered to the AIMI standard.
QRCode model2:Extended model. Model2 has an alignment pattern for better position adjustment and contains larger data than Model 1. 1 to 40 version are registered to the AIMI standard.
Indicates the model style of QRCode used.