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 environmentally friendly PET material. The surface is smooth, wear-resistant, and glossy. Circular stickers have stickiness and are easy to stick to the surface of most items. (Not supported on metal surfaces and strong magnetic fields) Chip protocol: IEC 14443 Chip model: D213 Storage/User 180B/144B Antenna size: 25mm Operating frequency: 13.56MHz Write endurance: 100,000 cycles Sensing distance: within 10cm Fixation: With adhesive backing, it can be securely attached Scope of application: Patrol tags, Identity recognition, Anti-counterfeiting traceability, Mobile sensor payment Note: Different batches may have differences in product appearance, color, and printed characters, which will not affect the use Color: As shown Material: PET Package Contents: 100 x label sticker Only the above package content, other products are not included Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm