Item Type: Card Reader Power Supply: USB Power Extraction Material: PC Standard or Certification: For PC SC, For CCID, For CE, For FCC, For VCCI, For RoHS, For USB Full Speed, For Microsoft WHQL 2000, For Server 2003, For XP, For Vista, For Server 2008, For Server 2008 R2, For 7 Smart Card Read or Write Speed: 106Kbps, 212Kbps, 424Kbps Operating Frequency: 13.56 MHz Source Current: 200mA (Maximum), 50mA (Standby), 100mA (Regular) Source Voltage: Rated Voltage 5VDC Operating Temperature: Smart Card Interface 0-50°C Driver Supported Operating Systems: For Windows 98, For ME, For 2000, For Server 2003, For XP, For Vista, For Server 2008, For Server 2008 R2, For 7, For Windows CE, for 5.0Linux. Applicable Scenarios: Suitable for access control cards, elevator cards, parking cards, time and attendance cards, electronic banking and electronic payment, electronic public transportation, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.