50pcs BABIQT M1 Classic 1K Tags S50 RFID Tag Smart M1 Tags S50 Stickers RFID ISO 14443A 13.56MHz M1 MF1 Stickers Self-Adhesive Commercial Access Proximity Tag 1 inch Round - UID Unchangeable

["Quantity: 50 pieces round 13.56MHz RFID tags. Diameter: 25 mm / 1 inch. This MF classic 1K tag is adhesive, can be pasted. Please check our store and there are many small quantities for you to choose from, you can buy the experience with a small quantity first. 【Note 1: The UID cannot be changed or rewrited】【Note 2: Please make sure this M1 S50 RFID tag is compatible with your system before purchasing】","Chip: High quality M1 Classic 1K S50 chip, working frequency: 13.56MHz, 1K byte memory, ISO14443A protocol, password read and write protection, high scan strength, easy to program. Service life: 10 years, 100,000 writes. UID Can’t be changed and rewrite. Non-NDEF format. 【Note: This MF 1K tags is M1 S50, donot compatible with MF0, MF2 and MF3】","Application: These MF1 S50 RFID stickers proximity cards work with KABA, SAFLOK, MIWA and ONITY LOCKS, also compatible with RC522 and PN532 readers. But they can NOT work with HID, Salto and Assa Abloy Locks/Systems, TagMo, etc. 【Note: If you want to add the M1 RFID tags to your lock system, please ensure that your system is the same frequency 13.56MHz】","Compatibility: Compatible with RC522 and PN532 readers, all M1 Classic 1K stickers commercial access proximity cards are pre-programmed with a unique ID, 4-byte UID. UID cannot be changed, factory default key: FF FF FF FF FF FF, compatible with most access control systems.【Note: Not supported to use on metal surface and strong magnetic field】","Hassle Free Warranty: We are confident that you'll love our NFC Tags. If, for any reason, you're not satisfied with the 13.56 mhz rfid tags stickers, please do not hesitate to send the seller a message through Amazon and we will respond within 24 hours."]