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