HERNAS 100pcs Rewritable UID Smart Keys, Mi-Fare 1K S50 RFID Cards Token NFC Tag, 13.56MHz ABS Access Control Door Card, Block 0 Sector, Comply ISO 14443A

• 1. 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.
• 2. Support read, write and reprogram, over 100000 rewrite times. Can clone 13.56MHz IC card, NFC stickers, NOT compatible with 125KHz keys cards.
• 3. Water resistant. Each comes with Key ring included.
• 4. Compatible with all kinds of 13.56MHz RFID readers writers and door access control system devices.
• 5. Each card with a unique encrypted ID number, card data can be reprogrammed.

Product Parameters Chip: UID changeable Material: High quality ABS plastic Operation frequency: 13.56MHz Support: Reading and writing, rewritable Compatible with all door entry system Reading distance: 0-10cm (Depending on the reader's design,environment and application) Working temperature: -40 °C~ 65 °C / -40℉~ 149℉ Read/write Times: 100000 times Size: 31 x 40 x 3 mm Package Including: 100pcs blue color UID keys Widely Used At: It applies to access control, hotel locks, elevator staff attendance and school campus access and payment control identification and security systems parking lot entry and payment, social security management transportation payment, municipal and ancillary service payment