1. Material:ABS and metal
2. Frequency: 125KHz
3. chip: Original ATMEL T5577 (The best rewritable chip)
4. Package included: 5pcs black RFID keyfobs
5. Working Mode: Read-write modes - Can be used in 125KHz RFID card Copier/ Duplicator
6. Storage Capacity: 330 bit (264 free bit availability)
7. Reading distance is 0 - 10cm
Package include: 5pcs T5577 RFID rewritable 125khz writable Keyfobs