Features: 1.Multifunctional: Handheld RFID writer can copy IDTK4100 card and penetrate some firewalls. 2.Professional Design: 125KHZ RFID card copier adopts excellent program algorithm and circuit design, which reduces product power consumption and prolongs battery life. 3.Easy to Operate: Handheld RFID card copier is designed with a read button and a write button, which is easy to operate. 4.Practical: 125KHz RFID ID card writer can easily solve the problems of less cards, lost cards and replacement cards, and only needs one machine. 5.125khz Frequency: The frequency of RFID ID card writer is 125KHZ, and it is small, light and convenient to carry and use. Specification: Item Type: Handheld RFID Card Copier Material: Plastic PackageList: 1 xHandheldRFIDCardCopier 6 x RFID Cards 6 x Keyfobs Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.