1Support Card Writer: Card reader support for EM4100 / EM4200, UID, Ultralight, Ntag203, for HID 1386/1326/1346. 2Supported Frequencies: 125 kHz, 250 kHz, 500 kHz, 375 kHz, 625 kHz, 750 kHz, 875 kHz, 1000 kHz, 13.56 MHzISO1443A / B), for HID Prox. 3Support Recording: Card duplicator supports recording, support for HID card 1386/1326/1346, T5577, EM4305, UID. 4Supported Operating Systems: For Windows 98, ME, NT, 2000, XP, 2003, Vista, for Windows XP x64, 2003 x64, Vista x64, for Linux, for OS X 10.5 and 10.6, for WinCE 5.0 ( for Windows Embedded Compact ) 5High Performance: Compact and portable. Can work offline, approx. 35cm/1.181.97in reading distance, it can crack most card encryption. Item Type: Smart Card Key Machine Material: ABS Color: Gray Battery: 1pcs 4.2V10440 lithium battery (excluded) Reading Distance: Approx. 3-5cm/1.18-1.97in Read Type: ID/IC (card/buckle) Supported Read And Write Frequencies: 125 kHz, 250 kHz, 500 kHz, 375 kHz, 625 kHz, 750 kHz, 875 kHz, 1000 kHz, 13.56 MHz (ISO1443A/B), for HIDProx. 1 x Copier 1 xUSB Cable 5 xIC Blank Card