KKmoon Handheld 125KHz RFID ID Card Writer/Copier Duplicator + 5pcs Writable EM4305 Key Cards Portable 125KHz RFID ID Card writer/copier with 5pcs writable cards. Handheld shape design, comfortable hand feeling. Can copy 125KHz RFID ID cards with EM4305. Built-in buzzer and LED. Reading distance is 0 - 6cm.