MIELEU 10pcs/Lot UID Changeable IC Tag Keyfob MF 1K S50 13.56Mhz HF ISO14443A Chinese Magic Backdoor Command Card(Red)
![MIELEU 10pcs/Lot UID Changeable IC Tag Keyfob MF 1K S50 13.56Mhz HF ISO14443A Chinese Magic Backdoor Command Card(Red)](https://r.kelkoo.com/resize.php?country=se&merchantId=100565793&categoryId=143101&trackingId=96964074&width=300&height=300&image=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F416z4b%252BydGL._SL500_.jpg&sign=MDXGzTigE3rZX7fdTfqXCrHjIGULwV5nMyqFFsowWiU-)
Small enough to fit on a key ring Provides an external number for easy identification and control Can be placed on a key ring for convenient entry Supports formats up to 85 bits, with over 137 billion codesRFID/HID/T5577/CET5577/EM4100/TK4001/EM4001/TK4100/ISO11784/11785/ISO FDX-B /Manchester/FSK/PSK/NRZ etc. Long-lasting durability in construction for sustained performance Compact and easy to carry and use,Rewritable functionality: Can be written countless times