1. - programmed with unique 18-digit ID number in each card (The first 10 digitals is code, the last 8 digitals is wiegand code.)2. This RFID card is read only, can not been programmed3. Operation Frequency: 125KHz4. TK4100 Chip5. Storage Capacity: 64bit6. Communication Protocol: 1 8000-27. Standard ID compatible8. Compatible standard ID door access devices or ID reader9. Contactless transmission of data and supply energy10. perfect for use in ID and access control11. With card ID printingOffline decoding:1. Connect network WiFi or mobile hotspot first.2. Press the red power key to up, then press the "OK" key to enter the interface, select the "cloud decryption" in the function block interface, press the "OK" key, put the card into the sensing area, and click the "card reading" key to prompt that the decryption is successful, indicating that the card has been decoded online.3. Replace the IC and copy the card to the sensing area. Press the "write card" key to prompt that the card is written successfully.Power Supply: 2 AAA Battery (without )Colour:greyMaterial:ABSPackage Contents:1 x iCopy Card Copier1 x Type-C USB cable10 x ID 125khz Cards10 x ID 125khz Keyfobs10 x 13.56mhz IC KeyOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.