HERNAS 20pcs Rewritable UID Smart Key Fobs, Premium 13.56MHz ABS Blank Keys for Door Access Control, Mi-Fare 1K S50 Copy Card NFC Tags Duplicate Keys, Block 0 Sector, Comply ISO 14443A

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About This Fully compatible to MI-FARE Classic 1K,4-byte UID, 1024 bytes memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal. Compatible with all kind s of 13.56MHz RFID readers writers and 13.56MHz door access control system devices. Support read, write and reprogrammed, over 100000 rewrite times. Can clone 13.56MHz IC card, NFC stickers, NOT compatible with 125KHz keys cards. Each key fob with a unique encrypted ID number, card data can be reprogrammed. High quality ABS plastic material, water resistant. Each fob comes with Key ring included. Overview Brand : HENAXSAD Color : Blue Power Source : Battery Powered Compatible Devices : 13.56MHz RFID readers, writers, and door access control systems Item dimensions L x W x H : 1.6 x 1.2 x 0.12 inches Show more