The package contains high-quality NTAG213 NFC labels with a diameter of 25mm. Waterproof and oil resistant, durable and long-lasting. Induction fast and accurate reading and writing distance 0-10cm. The circular label is made of coated paper material. The surface is smooth, wear-resistant, and glossy. Circular stickers have strong adhesion and are easy to apply to the surface of most items. (Not suitable for use on metal surfaces or in strong magnetic fields.) Specifications: Chip protocol: ISO/IEC 14443 Chip model: NTAG213 Storage/User: 180B/144B Antenna size: 25mm Operating frequency: 13.56MHz Write endurance: 100,000 cycles Sensing distance: up to 10cm Fixation method: Adhesive backing for easy attachment Application: Patrol tags, identity recognition, anti-counterfeiting traceability, mobile sensor payment. Color: As shown in picture Material: Coated paper Note: Due to different production batches, there may be slight variations in product appearance and printed text, which do not affect functionality. Package Contents: 100 x Label Sticker Only the above package content is included; other items are not part of this sale. Note: Lighting effects and display settings may cause slight color differences between the image and the actual item. Measurement tolerance: +/- 1-3cm.