Feature: 1. Sensitive sensing, sensing distance 3-5cm/1.18-1.97in (depending on the card reader), fast recognition, 0.1 second sensing time, one touch to open. 2. Applicable to access control, hotel door locks, employee attendance, campus access control payment control, identity recognition and security systems. 3. It is also suitable for parking lot access control payment, social security management, transportation payment, municipal and auxiliary service payment, etc. 4. The erasable life is more than 100,000 times, the volume is small and light, it is convenient to carry, very practical label card. 5. Owing to the professional manufacturing, high precision, it is reliable for you to use. Specification: Item Type: Coin Tag Card Material: PVC Purpose: Access Control, Time Attendance, Elevator, Parking Lot Storage Capacity: 1K Working Frequency: 13.56MHZ Diameter: Approx. 25mm/1in Reading Distance: Approx. 3-5cm/1.18-1.97in Read and Write Time: 67 Milliseconds Working Temperature: -20-55℃ Erasable Life: >100000 Times Data Storage: 10 Years. Package List: 50 x Coin Tag Card