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: up to 10cm. Fixation: With adhesive backing, it can be easily applied. 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 vary slightly from the real thing. The measurement allowed error is +/- 1-3cm.