Type: TV Tuner Cards TV Tuner: Dual Tuners TV Standards: ATSC HDTV/QAM FM Tuner: Yes Features: Dual tuner Compatibility: MicroSoft Windows XP Media Center compatible Specifications: Video Input: S-video input, composite video input - plug-in card Analog Video Format: NTSC Analog Video Signal: S-Video, composite video Digital Video Format: MPEG-1, MPEG-2 Audio Input Support: Standard Sound Input Mode: Stereo Operating Systems Supported: Microsoft Windows XP Home Edition, Microsoft Windows XP Professional, Microsoft Windows XP Media Center Edition, Microsoft Windows Vista Microsoft Certification: Certified for Windows Vista