10pcs Plastic 125KHZ Rewritable Writable ID Cards Keyfobs RFID Copy Key Tags Handheld RFID Copier Writer Readers Duplicator-Re-Writable,Blue

["【2 TYPES】Rewritable type - can read and rewrite,T5577 chip which compatible with EM4305 chip.Static type - cannot be changed after writing,compatible with TK4100 EM4100 chip.","【SUPPORT READ WRITE FREQUENCY】Compatible with 125khz RFID reader to gain access.","【WIDELY APPLICATION】Can be used for elevator card,access control system,Parking card,proximity.","【ADVANTAGES】No external power required.","【AFTER SALE GUARANTEE】We care for every customer's feeling. If this product does not meet or exceed your expectations, please contact us at first, we will solve the problem immediately."]