Description: Applications: This kind of copier is suitable for copying 125KHz FRID cards, suitable for EM4100/EM410X ID tags for backup purpose. Wide use: This card for duplicator is suitable for all kinds of ID cards, such as access cards, cell cards, parking cards, etc. Portable: This FRID card reader can be carried easily because it is compact, suitable for both professionals and beginners. Wireless: This writer is powered by 2x AAA batteries(not included), and it supports 125KHz, you do not need to set the cord. Textured: This compact programmer is made of plastic, durable and tough, it can be used for a long time. Specification: Material: plastic. Color: blue. Size: approx. 71*117*31mm/2.8x4.61x1.22inch. Work: 125KHz. Distance: approx. ≤25mm/0.98inch(keyfob), ≤60mm/2.36inch(card). Supported blank tag: T5557, EM4305. Power: 2x AAA battery(not included). Working indicator: read, power, write. Button: read button, write button. How to use: 1.Push the power switch on the right of device, it will keep two or three times, and light is on means it is working, if not restart please. 2.Put the other card near the antenna left of the device, and then press READ button, the device will keep and the light is on when read successful, if beep 2 times go to step 3, if beep 3 times go to step 4, click READ again if it doesn't beep. 3.Change an new blank card as T5557/EM4305, then press WRITE button, when beep PASS light is on means copy is successful, if it doesn't beep and light please write again. 4.Repeat step 3 or step 4 if you want to make more same ID card. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package Includes: 1 Piece RFID Copier(with 6 Pieces Key Fobs, 6 Pieces Cards).