Web Cam Model No SPC-1993 Main functions & features Adopt Vimicro301p+M360 Electronic Coupling Element CMOS Sensor Real 1300K Pixels Resolution 640*480 Image Process Auto White Balance Transmission Interface USB Interface Revision 1.1/2.0 System Requirement Windows 98/2000/XP Frame rate up to 30 fps for full-motion video Focus distance 1cm to infinity