50Pack EM4305 125kHz Rewritable RFID Keyfob Tag Token Door Access Control Card B
Rewritable,Can be used in 125KHz RFID card Copier/Duplicator (can NOT support HID copier). Frequency: 125KHz. Mini LED Lighting Finger Board Colorful Skateboard Kids Children Toy Kid Gifts V. 32 bit unique identifier (UID).