NFC 215 Tags (50 Pack): 13.56MHz operating frequency, 3-5cm sensing distance (depending on the reader). Compact and lightweight for easy storage and portability. Ideal for access control, parking payment, social security management, and more. Fast and reliable 0.1-second sensing time. Made from high-quality PVC for durability and long service life. Specifications: Item Type: NFC 215 Tag Material: PVC Application: Access control, time attendance, elevator, parking lot Storage Capacity: 1K Operating Frequency: 13.56MHz Reading Distance: Approx. 3-5 cm / 1.2-2.0 inches Read/Write Time: 67 milliseconds Operating Temperature: -20 to 55 ℃ Erasable Life: >100,000 times Data Retention: 10 years Package Includes: 50 x NFC 215 Tags 100% satisfaction guaranteed. Contact us immediately if you encounter any issues upon receipt (damage, incorrect quantity, etc.).