Features: 1. Including 10pcs readable RFID cards, mainly used for proximity door control access. 2. It can be used on most access control security systems. 3. Suitable for 125KHZ card reader and reading distance is 5 - 10cm. 4. Widely used at home, school, office and other places. 5. 100% brand new and high quality contactless 125khz rfid proximity id entry access cards. Specifications: Condition: 100% Brand New Working frequency: 125 KHZ Reading distance: 5-10cm Reading and writing time: 64ms Working temperature: -20 to 55 degree Erasable life: > 100000 times Dimension: Standard thick card Packaging materials: PVC, PET, ABS, 0.13 mm copper wire Encapsulation process: PVC laminated Weight: Approx.90g/3.17oz Package List: 10 * Readable Card [Reading Distance]: The writable RFID cards is suitable for 125KHZ card reader and reading distance is 5 - 10cm [Package Contains]: Including 10pcs 125KHZ RFID proximity ID entry access cards, mainly used for proximity door control access [Wide Application]: The spare RFID card can be used on most access control security systems; Widely used at home, school, office and other places [High Sensitivity]: Reading and writing time: 64ms; Contactless transmission of data and supply energy [Proximity Smart Card]: Pre-programmed with unique 10-digit ID number in each card; Compatible with all ID door access devices or ID reader [Reading Distance]: The writable RFID cards is suitable for 125KHZ card reader and reading distance is 5 - 10cm [Package Contains]: Including 10pcs 125KHZ RFID proximity ID entry access cards, mainly used for proximity door control access [Wide Application]: The spare RFID card can be used on most access control security systems; Widely used at home, school, office and other places [High Sensitivity]: Reading and writing time: 64ms; Contactless transmission of data and supply energy [Proximity Smart Card]: Pre-programmed with unique 10-digit ID number in each card; Compatible with all ID door access devices or ID reader