OBO HANDS UID IC Card Changeable Smart Card Clone Card for 1K S50 MF RFID 13.56MHz Access Control Block 0 Sector Writable(100pcs)

• Material:PVC
• Rewrite times:100,000 time
• Read distance:0-10Cm(depend on the R/W device)
• Read-write card can provide different access password or logical encryption version, product security is high.
• Fully compatible to MF Classic 1K,4-byte UID, 1K Byte memory, organized in 16 sectors of 4 blocks, compliant to ISO/IEC 14443A protocal

Description: Works exactly like the MF 1K, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block Zero known as Manufacturers Block where the Chip UID is stored, can be re programmed to any UID you wish. This is a perfect solution for a lost irreplaceable- Cards ID, you don't need to re-enroll new cards. Just program this new 1K's UID to the UID of lost card then you have a new Exactly the same card. Application: Access control, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry, social security management, transportation, municipal and ancillary service. Funtion: All block sector writable.Each block is rewritable and useful Operating Specifications: Waterproof and dustproof Packing: 100pcs UID Cards Note This card need a card reader to write. The meaning of writing is just writing the inner code, not writing other data. The Android MF Classic Tool and NFC Tools just writes data, such as date, name, etc.