ETEKJOY 13.56MHZ RFID Sticker Coin Adhesive Back Proximity ISO14443A IC Card Token Key Tag for Electronic Smart Door Lock Tuya TTLock, Compatible with MIFARE Classic 1K Card M1, Read Only
Note: These are 13.56MHz RFID cards. If you want to register them to your lock system as key cards, please ensure that your system uses the same frequency 13.56MHz. For example, the popular Tuya and TTLock smart locks use 13.56MHz cards. Incompatible with other frequencies like 125kHz.
Read only. Not re-writable. Each card is already pre-programmed. You cannot re-program them by a card writer.
Compatible with MIFARE Classic 1K Card (M1 Card). If your lock uses M1 card, like Tuya and TTLock locks, these cards work for your lock too.
Suitable for 13.56MHz RFID proximity access control system and ID management system. For example, register them to your RFID door lock as new key cards if applicable.
Round-coin-shape sticker, with adhesive back. You can stick it on other stuff (but not metal) if necessary. Approx Size: 25mm (1 inch) Diameter, 1mm Thickness. Casing Material: White PVC Plastic. Waterproof & Durable.