Item Type: T5577 Card Material: PVC Application: Access Control, Time Attendance, Elevator, Parking Lots Chip Type: T5577 Storage Capacity: 363 bits Working Frequency: 125khz 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 Package List 50 x T5577 Card 1Higher working frequency, and the sensing distance is about 35cm (depending on the card reader). 2Compact size, light weight, easy to store and carry around. Total of 50pcs tag, better meet your needs. 3Applicable to identification and security system, parking lot access control payment, social security management, etc. 4Sensitive to use, fast recognition, with 0.1 second sensing time, one touch to open, bring you convenience. 5Equipped with powerful inner core, 125K low frequency chip, can read/write/copy/pass ID firewall.