Etekcity USB 2.0 to HDMI/DVI/VGA Video Converter Adapter for Windows & Mac OS X 10.8.3 Multiple Monitors Supports 6 Display up to 1920X1080 / 1600x1200 Each Add an extra display without a standard video output; Mirror or extend in any direction. Connect up to 6 monitors to your laptop or desktop PC (on Windows PCs, one adapter required per monitor) Plug and play; extend USB 2.0 connectivity to any HDMI, DVI, or VGA monitor or projector Featured industry-leading DisplayLink DL-195 chipset with advanced USB graphics technology. Full 32-bit color graphics at high resolutions up to 1600x1200(1920x1080 with Analog VGA) with lossless compression; High-Performance DDR Memory Supports Windows 8/7/Vista 32/64-bit, XP 32-bit, and Mac OS X 10.8.via windows update, download or driver Endless uses in office or home, for business or entertainment; Portable, completely silent operation, onboard power and LED indicators