Features: 1.Support Card Writer: Card reader support for EM4100, EM4200, Classic, UID, Ultralight, Ntag203, for HID 1386/1326/1346. 2.Multifrequency: 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 HID Prox. 3.Support Recording: Card duplicator supports recording: Support for HID card 1386/1326/1346, T5577, EM4305, UID. 4.Support Operating Systems: Card copier supports for Windows 98, ME, NT, 2000, XP, 2003, Vista, for Windows XP x64, 2003 x64, Vista x64, for Linux, for OS X 10.5, for OS X 10.6, for WinCE 5.0 (for Windows Embedded Compact). 5.Characteristic: IC card writer is compact and portable, can work offline, the reading distance is about 3?5cm/1.2?2in. Specification: Item Type: Card Copier Material: ABS Colour: Black Battery: 1pc 4.2V 10440 Lithium Battery (not include) Reading Distance: Approx. 3-5cm/1.2-2in Read Type: ID IC (Card or card ring) 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 HID Prox. PackageList: 1 x Card Copier 1 x USB Cable Note: Note that card reader can crack most but not all encrypted cards. Please follow the described supported models to use