Tripp Lite U244-001-VGA-R USB 2.0 to VGA Dual-Monitor Adapter, 128 MB SDRAM, 1920 x 1080 (1080p) @ 60 Hz

• Extend video to a second display or duplicate one video on both
• Add up to 6 adapters to connect a total of 7 displays
• No external power supply needed
• Supports HD video resolutions up to 1920 x 1080 (1080p) @ 60 Hz
• Compatible with Windows and Mac computers
• Compatible with Ubuntu 14.04.2

Connect a VGA monitor or projector to the USB 2.0 port of your computer or laptop. Use up to 6 adapters to connect up to 6 additional displays to a source. Ideal for multitasking, presentations and editing documents.
Easy to Add Displays
•Extend video to a second monitor, duplicate the same video on both monitors, or make the second monitor your primary display
•Ideal for multitasking, viewing spreadsheet data, editing documents, giving presentations, watching movies and playing video games
•Add up to 6 adapters, each connected to its own USB 2.0 port, for a total of 7 displays
•No external power supply necessary
•No need to reboot system after adding or removing a monitor Vibrant, Superior Video Quality
•Supports high-definition video resolutions up to 1920 x 1080 (1080p) @ 60 Hz
•Features 128 MB DDR SDRAM of memory
•Uses DisplayLink DL-165 chipset
•Resumes automatically from hibernation and suspend modes PC and Mac Compatible
•Works with 32- and 64-bit Windows 7 and later, Windows 10
•Works with 32- and 64-bit Intel Mac OS X 10.8.3 and later, Mac 10.11
•Works with Surface tablets running Windows 8 Pro or late