10 PCS Writable Rewritable Clone IC Smart Keychain,13.56 MHz UID RFID Blank Sticker for Access Control Key Sticker Rewritable

Works exactly like the MF S50, with 16 Sectors and 4 Blocks each Sector, but the Sector 0 Block Zero can be writable. It's advantage This is a perfect solution for a lost irreplaceable M1 Cards ID, you don't need to re-enroll new cards. Just program this new MF 1K's UID to the UID of lost card then you have a new Exactly the same card. User definable access conditions & password for each memory block Organized in 16 sector with 4 blocks of 16 bytes each (one block consists of 16 byte) Specifications Protocol: ISO14443A Capacity: 1k bytes EEPROM memory Rewrite Times: 100,000 times Read Distance: 0 ~ 10 cm(depends on the R/W device) Material: PVC Application Loyalty Ticketing Identification Access Control Package Include 20pcs X UID Rewritable IC Tag

• Material : ABS material, waterproof, drop-proof, and high temperature resistant.
• Working frequency : 13.56 MHz.
• Wide application : UID remote control keys are widely used, including access control systems, elevators, attendance systems, parking lots, apartment cards, etc.
• Rewritable : Can be written countless times.
• Writable and rewritable. It can be erased and written to 100,000 times. Suitable for making new tags and spare tags.