1) Sector data can be edited 2) ID / IC card 3) Supported read and write frequencies: 125 kHz, 250 kHz, 500 kHz, 375 kHz, 13.56 MHz (ISO1443A ) 4) Card reader support: EM4100 / EM4200, Mifare classic, UID, S50. 5) Write card support: T5577, EM4305, Mifare UID.<br><br>6) Small and portable. 7) Note that he can crack most but not all card encryption. Supported operating systems: Windows 98, ME, NT, 2000, XP, 2003, Vista Windows XP x64, 2003 x64, Vista x6 WinCE 5.0 (Windows Embedded Compact) (Due to different product batches, the appearance may vary, which does not affect the use) Colour:Black Material:plastic<br><br>Package Contents: 1 x Card reader 1 x Data cable<br><br>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.