Support 125 Khz EM4100 ID Card --- This device is used to copy and duplicate the 125 Khz EM4100 ID Card for backup purpose. You can copy all ID(EM4100) Cards with this RFID copier. Easy to use --- Designed with a "Read" and "Write" two buttons, easier to operate, simple to use, it is easy to copy ID card. Low power consumption --- Excellent program algorithm and circuit design reduce the power consumption and prolong battery life. Ergonomic design --- Mini-type handheld mold, ergonomic characteristics, portable size, easy to carry. Wide range of applications --- Widely used at community, school, office and other access control needed places., Manufacturer: Dioche