Features • Exceptional Memory Capacity: Each NFC sticker tag features a robust 504 bytes of memory, allowing for ample data storage and a read/write lock function for enhanced security • Reliable Security Features: Ideal for sharing information, these NFC sticker tags provide secure authentication, ensuring that your data is protected and easily accessible • Durable Waterproof Design: Built to withstand the elements, these RFID sticker tags boast a strong waterproof function, ensuring longevity and resistance to wear in various conditions • Convenient Keychain Compatibility: With a compact 25mm diameter, these NFC sticker labels easily attach to keychains, making them portable and perfect for on-the-go use • Versatile Application: Perfect for a variety of uses, including access control, attendance tracking, and payment systems, these NFC sticker tags adapt to your diverse needs Features: 1、GOOD PERFORMANCE: NFC RFID sticker tag is with 504 bytes memory design, with read and write lock function. Good performance. This set contains 50pcs tags and enough for daily working use. 2、SECURITY AND AUTHENTICATION: NFC RFID sticker tag label typically used for information, such as providing your information or business information, and for security and authentication purposes. 3、STRONG WATERPROOF FUNCTION: RFID sticker tag adopts strong waterproof function, not easy to wear, anti , high durability. 4、HUNG ON KEYCHAIN AVAILABLE: NFC RFID sticker label is small and delicate appearance, can be hung on the key chain, easy to carry. 5、WIDE APPLICATION: NFC sticker label is suitable for access control, hotel doors lock, staff attendance and campus access control and payment control and so on. Specification: Item Type: UID Sticker Label Material: Copper Alloy Operating Frequency: 13.56MHZ Detection Distance: 0-10 Cm (Depending On Reader) Working Temperature: -20 - 55℃, 90% Humidity Rewriting Times: More Than 100000 Times Data Storage: More Than 10 Years Reading Time: 100000 Times Diameter: Approx. 25mm / 1in Package List: 50 x NFC RFID Sticker Tag Label Note: This NFC sticker is not suitable for iphone. Package List 50 x NFC RFID Sticker Tag Label