Product name: CDS RFID Replicator Product function: CDS copy machine is a set of special readers and writers that can copy IC and ID proximity cards to Jikongzhe R5 smart ring. Product parameters: Carrier frequency: 13.56MHZ, 125KHZ RF distance: 1~3cm IC card range: Class A and Class B cards that comply with ISO-14443 standards, such as: IC card (Classics, DESFire), M1, S50, UID, CUID, FUID, UFUID, etc. ID card range: Proximity cards that comply with ID standards, such as: supporting EM4305, 5200, 8800, T5577, ZX-F08, HID, etc. Operating systems applicable to CD2: Windows 7/8/10/11 and Windows Server version in the same period CD2 interface type: Type-C ID2 interface type: Micro-USB color:black Material:ABS Package Contents: 1 x CD2 Replicator 1 x CD2 Data Cable 1 x ID2 Replicator 1 x ID2 USB cable 1 x Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.