Usage Tips:The package contains high-quality NTAG213 NFC labels with a diameter of 25mmWaterproof and oil , and long-lastingInduction fast and accurate reading and writing distance 0-10CMThe circular label is made of environmentally friendly PET material. The is smooth, wear-, and glossy. Circular stickers have stickiness and are easy to stick to the of most items. (Not supported on metal surfaces and strong magnetic fields)Chip protocol: ISO/IEC 14443Chip model: D213Storage/User 180B/144BAntenna size: 25mmStorage user: 13.56MHzScratching frequency: ≥ 100000 timesSensing distance: within 10cMFixation method: With adhesive backing, it can be glued togetherScope 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 Not Affect The UseColour:As ShownMaterial:PETPackage Contents:100 x label stickerOnly 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.