85.5X54X0.8MM 1. Material: PVC\r\n2. Operating Frequency: 13.56MHz\r\n3. Storage Capacity: 504 Kbit\r\n4. Sensing Distance: 1-5cm\r\n5. Dimensions: 85.5x54x0.8mm\r\n6. Expiration date: 100,000 read/write cycles, 10-year data retention\r\n7. Compliant Standard: ISO 14443A\r\n8. Applications: Cafeteria cards, access control, elevators, public transportation, time cards, etc.