10 PCS Key Tag Keychain,RFID Key Fob for TTlock and Tuya Smart Lock

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. Read only. Not re-writable. Each key fob is already pre-programmed. You cannot re-program them by a card writer. Compatible with Classic 1K Card (M1 Card). If your lock uses M1 card, these key fobs 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 keys if applicable. UID CAN'T CHANGE,And if you buy the wrong chip style,please contact with us,we will be 100% responsable,Thanks. Package includes 10 Pieces., Weight: 0.1 pounds, Manufacturer: Aricean