Features: 1.13.56MHZ working frequency, and the sensing distance is about 3?5cm (depending on the card reader). 2.Compact size, light weight, easy to store and carry. Total of 50pcs tag, fully meet your needs. 3.Applicable to identification and security system, parking lot access control payment, social security management, etc. 4.Sensitive to use, fast recognition, with 0.1 second sensing time, one touch to open, bring you convenience. 5.Made of high?quality PVC materials with stable performance and high reliability, have a longer service time. Specification: Item Type: NFC 215 Tag Material: PVC Application: Access Control, Time Attendance, Elevator, Parking Lot Storage Capacity: 1K Working Frequency: 13.56MHZ Reading Distance: Approx. 3-5cm/1.2-2.0in Read and Write Time: 67 Milliseconds Working Temperature: -20 to 55 Erasable Life: >100000 Times Data Storage: 10 Years PackageList: 50 x NFC215Tag