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Error Correction High - up to 30% data loss Quarter - up to 25% data loss Medium - up to 15% data loss Low - up to 7% data lossQR code is trademarked by Denso Wave, Inc. Kích thước: M - 300x300 pixels XS - 100x100 pixels S - 200x200 pixels L - 400x400 pixels XL - 500x500 pixels