ITEM NAME:Portable Smart Card Reader USB ACR38U-N1 CAC Common Access Writer ID SCM Fo D1J5 Portable Smart Card Reader USB ACR38U-N1 CAC Common Access Writer ID SCM Fo D1J5 Supports ISO-7816 Class A, B and C ( 5V, 3V, 1.8V ) cards. Performs read and write operations on all miniprocessor cards with T=0, T=1 protocols. Supports most of the popular memory card types in the market. Cards with intelligent 256 bytes EEPROM and write protect function: SLE4432, SLE4442, SLE5532, SLE5542. Cards with intelligent 1K bytes EEPROM and write-protect function: SLE4418, SLE4428, SLE5518, SLE5528. Interface: USB 2.0 full speed Supply Voltage: Regulated 5V DC Supply Current: Max. 50mA Operating Temperature: 0-50Celsius CLK Frequency: 4 MHz MTBF: 50,000 hrs Smart Card Interface Support: ISO-7816 Class A, B and C ( 5V, 3V, 1.8V ), T=0 and T=1 Operating System Support: Win98, Win ME, Win NT 4.0, Win 2000, Win 2003, Win 2003 R2, Win XP, Win Vista, Win 2008, Win 7 ,Win 2003 x64, Win 2003 R2 x64, Win XP x64, Win Vista x64, Win 2008 x64, Win 2008 R2 x64, Win 7 x64 ,Mac Linux Dimensions: 58.0 * 20 * 13.7mm / 2.2 * 0.78 * 0.54in Weight: 9g / 0.28oz Package List: 1 x Smart USB Card Reader Writer Note:Light shooting 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.