Accell J131B-001B UltraAV USB 2.0 to HDMI Adapter with Premium DisplayLink DL-195 USB Video Processor Send up to 1080p HD video and audio from a computer's USB port to an HDTV Supports monitor resolutions up to 1920x1200 or 2048x1152 (widescreen) Mirror, extend or rotate your computer's desktop on a second monitor Windows and Macintosh compatible - Up to 6 displays (one adapter per display) Self-Powered Design Requires No External Power