Description This device is used to copy and duplicate the 125 Khz EM4100 EM410X card tag ID for backup purpose HID standard NOT compatible Name Handheld second generation induction buckle copy machineMaterial Acrylonitrile Butadiene Styrene ABS Dimension 71 x 117 x 31mmDistance 25mm keyfob 60mm card Supported blank tag T5557 EM4305 Working frequency 125KhzPower Two piece AAA battery it can be use 20 000 times Working status Led Read Power WriteButton Read Button Write Button Application You can copy all of the ID card such as access cards cell cards parking cards How to clone 1 Push power switch on the right of device it will keep two or three times and LED is on mean it works 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 LED 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 doesnt beep 3 change an new blank card as T5557 EM4305 then press WRITE button when beep PASS LED is on mean clone successful if it doesnt beep and light please write again 4 Change a blank T5557 then press WRITE button when beep PASS LED is on mean clone successful if it doesnt beep and light please write again 5 Repeat step 3 or step 4 if you want to make more same ID card 6 Switch off for save power Package Included 1 x Handle RFID Writer5 x Keychain can be copiedDetail Picture