Sitecom USB 2.0 Card reader 8 in 1 with 3 port USB 2.0 hub. Interface type: USB. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): 10 - 85 °C. Dimensions (WxDxH): 68 x 110 x 12 mm, Weight: 92.5 g. Power supply type: AC, Minimum system requirements: CD-ROM, USB, Compatible operating systems: Windows 98SE/2000/ME/XP