The package contains high-quality NTAG213 NFC labels with a diameter of 25mm. Waterproof and oil resistant, durable and long-lasting. Induction fast with accurate reading and writing distance of 0-10cm. The circular label is made of environmentally friendly PET material. The surface is smooth, wear-resistant, and glossy. Circular stickers have adhesive backing and are easy to apply to the surface of most items. (Not suitable for use on metal surfaces or in 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: up to 10cm Fixation: With adhesive backing for secure attachment Application: Patrol tags, identity recognition, anti-counterfeiting traceability, mobile sensor payment. Note: Different batches may have slight variations in appearance, color, and printed characters, which do not affect functionality. Color: As shown Material: PET Package Contents: 100 x Label sticker Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.