Features: 1.Adopt powerful internal chip, 125K low frequency, it can read, write and copy ID firewall. 2.Sensitive sensing, 0.8?3.9in sensing distance (depending on the card reader), quick response. 3.High?quality ABS material, waterproof and drop resistant, can cope with various environments. 4.Suitable for access control, hotel door locks, employee attendance, parking lots, etc. 5.Compact size, light weight, easy to store and carry. Total of 10pcs tag, fully meet your needs.Specification:Item Type: ID Key Tag_x000D_Material: ABS_x000D_Model: 3#T5577_x000D_Induction Distance: Approx. 2-10cm/0.8-3.9in (depending on the card reader)_x000D_Working Frequency: 125KHZ_x000D_Working Temperature: -40-55_x000D_Application: Applicable to access control, hotel door locks, employee attendance, campus access control payment control, identification and security systems, parking lot access control payment, social security management, transportation payment, municipal and auxiliary service payment, etc.PackageList:10 x ID Key Tag