QR Code multi factor authentication security concept. Digital scanner graphic symbol on smartphone camera lens holding by businessman hand scanning for login on virtual screen from laptop computer.
ID: 2285111709
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- 大图:5184 × 3765 像素·43.89 cm × 31.88 cm·300dpi·JPG
- 中图:1000 × 726 像素·35.28 cm × 25.61 cm·72dpi·JPG
- 小图:500 × 363 像素·17.64 cm × 12.81 cm·72dpi·JPG