The U244-001-VGA-R USB 2.0 to VGA Dual-Monitor Adapter displays video on a VGA monitor or projector via your computer or laptops USB 2.0 port. You can extend video from your primary display to another duplicate the same video on both displays or change the second display to your primary display. The adapter is an ideal tool for multitasking viewing large spreadsheets editing documents giving presentations at trade shows or watching movies and playing games on large screens.N/AN/AYou can add up to six U244-001-VGA-R adapters each attached to its own USB 2.0 port to connect a total of seven displays to the video source. Adding or removing a monitor is easyno need to reboot the system afterward. No external power supply is necessary. First install the drivers using the included CD. Then connect the adapter to the display and the source using a VGA cable and the included USB 2.0 cable respectively. N/AN/AThis USB-to-VGA converter supports high-definition video resolutions up to 1920 x 1080 (1080p) at 60 Hz and features 128 MB DDR SDRAM of memory. Compatible with 32- and 64-bit Windows 7 and later Windows 10 as well as 32- and 64-bit Intel Mac OS X 10.8.3 and later Mac 10.11. The adapter also works with Surface tablets running Windows 8 Pro or later.N/AN/AEasy to Add DisplaysN/AExtend video to a second monitor duplicate the same video on both monitors or make the second monitor your primary displayN/AIdeal for multitasking viewing spreadsheet data editing documents giving presentations watching movies and playing video gamesN/AAdd up to 6 adapters each connected to its own USB 2.0 port for a total of 7 displaysN/ANo external power supply necessaryN/ANo need to reboot system after adding or removing a monitorN/AN/AVibrant Superior Video QualityN/ASupports high-definition video resolutions up to 1920 x 1080 (1080p) @ 60 HzN/AFeatures 128 MB DDR SDRAM of memoryN/AUses DisplayLink DL-165 chipsetN/AResumes automatically from hibernation and suspend modesN/AN/APC and Mac CompatibleN/AWorks with 32- and 64-bit Windows 7 and later Windows 10N/AWorks with 32- and 64-bit Intel Mac OS X 10.8.3 and later Mac 10.11N/AWorks with Surface tablets running Windows 8 Pro or late