Fangrui Product Details Note: 1.4 Aaa Batteries Or Usb Power Supply Is Supported ( Batteries Not Included) 2. When There Is A Disclaimer,dont Click The Confirm, Ok 3. Some Partly Encrypted, Fully Encrypted Cards Arent Applicable. 4. It Doesnt Work For Fully-encrypted Cards. How To Copy A An Unencrypted Card: 1. On/off Button To Start Up, A Disclaimer Up. Ok Button To Enter The Card Reading Interface. 2. Place The Card To Be Copied In The Sensor Area. Thescan Button, Card Frequency And Card Number Be Displayed. Card Reading Successful. Blank Card In The Sensor Area Thewrite Button, Complete Duplication Unencrypted Cards. Support Read Write Frequency: Id125khz,id 250khz,id 375khz,id 500khz, Id625khz, Id750khz, Id875khz, Id1000khz, Ic13.56mhz,hid 125khz Cards Support Read: Em4100/em4200,micrometre Classic, Uid Cards, Ultralight, Ntag203/1386/1326/1346; Support Cards Write: 1386/1326/1346/t5577/em4305, Micrometre Uid Cards. Not Compatible For Iclass ,awid , Indala And Keri Cards .applications: Access Control System, Rfid D