Condition: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Compatibility: Support 13.56MHz RFID reader/writer and NFC IC, e.g.: Acr122u reader/writer, support smart mobile phones with NFC function. Application: Check-in, mobile payment, product information query, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, posters, healthcare, book borrowing, etc. Chip: NFC215 Compatible Model: 100Money-NFC215 Useful Capacity: 504 Bytes Frequency: 13.56MHz Type: Read and Write R/W Read and Write Distance: 1-5cm />Reading and writing time: 1-2ms Working temperature: -20 to 55 degrees, humidity 90% Erase times: more than 100,000 times Data storage: more than 10 years Reading time: 100,000 times Diameter: 25mm Color: white Material: PVC Size: Diameter: about 25mm Package Contents: 500 x NFC cards Only the above package content, other products are not included. Note: