Cheap door finger, Buy Quality door chain with key directly from China door recorder Suppliers: 13.56Mhz UID Changeable MF 1K S50 NFC Keychain Keyfob Key UID Rewritable Chinese Magic Card Back Door Libnfc
13.56Mhz UID Changeable MF 1K S50 NFC Card Clone Copy Crack Blank Card Rewritable Chinese Magic Card Back Door Libnfc This type UID card is not support smart phone nfc tool(MCT)Support device acr122u,and some mf reader-writer and rfid copier.