Feature:1. Adopt powerful internal chip, 125K low frequency, it can read, write and copy ID firewall.2. Sensitive sensing, 0.83.9in sensing distance (depending on the card reader), quick response.3. Highquality 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 TagMaterial: ABSModel: 3#T5577Induction Distance: Approx. 2-10cm/0.8-3.9in (depending on the card reader)Working Frequency: 125KHZWorking Temperature: -40-55Application: 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..Package List:10 x ID Key Tag