Versatile ID Card Copying The 5YOA RFID ID Card Writer can copy various types of ID cards, making it a versatile tool for different industries. Access Control Programming This device serves as a programmer for access control systems, simplifying the setup and management of security protocols. Rewritable Keyfobs Featuring rewritable T5577 keyfobs, this duplicator allows for easy updates and modifications, enhancing its longevity and efficiency. Origin Quality Originating from Mainland China, this product guarantees high standards of manufacturing and quality control. High-Frequency RFID Technology Equipped with 125KHz EM4100 technology, this card writer ensures reliable and fast data transfer for secure access control. This device is used to copy and duplicate the 125 Khz EM4100 ID Card for backup purpose. Excellent program algorithm and circuit design are adopted. You can copy all ID(EM4100) Cards with this copier. please note that EM4100 or TK4100 chip is read only, not for writing, it need use with EM4305 or T5577 for writing or copy. Feature: 1.Mini type handheld mold, ergonomic characteristics, easy to carry. 2.Only ''Read'' and ''Write'' two buttons, easy to operate. 3.Adopting advanced chip, product integration is higher, more stable and reliable. 4.Excellent program algorithm and circuit design reduce the power consumption and prolong battery life. (Battery is not included in the package) 5.Widely used at community, school, office and other access control needed places. Specifications: Frequency: 125 KHz Read: EM / TK (EM4100 TK4100 etc) cards or keys Write: EM4305 CET5557 T5577 5200 EM4205 etc cards or Keys Copy Times: >20,000 Times Battery Type: 2 * AAA Battery (Not included) Package Included: 1pcs Copier+ 2pcs 125KHz T5577 Keykobs Note: This replicator is only support for 125KHz and supportable type chip!