XCRFID UID Changeable MF1 1K Key Tag Rewritable Zero 0 Sector 0 Block Copier MF1 S50 1k Smart IC Card 10pcs/lot

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🔑 Unlock Infinite Possibilities with Changeable UID Magic!

The XCRFID UID Changeable MF1 1K Key Tag is a rewritable smart IC card featuring a unique writable Sector 0 Block, enabling seamless cloning of lost M1 cards by programming the UID. With 1K byte EEPROM memory organized into 16 sectors and 4 blocks each, it supports up to 100,000 rewrites and is compatible with ACR122U-A9 readers. Ideal for loyalty, ticketing, identification, and access control, this 10-pack offers a durable, flexible, and secure RFID solution for professionals seeking efficient card management.