Etekjoy 100Pcs 13.56Mhz Rfid Key Fob Proximity Ic Card Iso14443A Token Tag For Electronic Smart Door Lock, Compatible With Mifar

ETEKJOY 100PCS 13.56MHz RFID Key Fob Proximity IC Card ISO14443A Token Tag for Electronic Smart Door Lock, Compatible with MIFARE Classic 1K Card M1, Read Only Note: These are 13.56MHz key fobs (tags). If you want to register them to your lock system, please ensure that your system uses the same frequency 13.56MHz. Incompatible with other frequencies like 125kHz (for example, EM4100/4102 cards).Compatible with MIFARE Classic 1K Card (M1 Card). If your lock uses M1 card, these key fobs work for your lock too. For example, they work for TTLock and Tuya smart locks.Read only. Not re-writable. Each key fob is already pre-programmed. You cannot re-program them by a card writer.Suitable for 13.56MHz RFID proximity access control system and ID management system. For example, register them to your RFID door lock as new keys if applicable. Approx. Fob Size: 1.58*1.26*0.18 inch. Casing Material: ABS Plastic. Package includes 100 Pieces.