Extended Mode allows you to extend your desktop across multiple displays, which can be great for spreadsheets. Primary Mode allows you to have individual applications open on each monitor, vastly improving productivity. With this adapter, you simply load the drivers, plug the adapter into the USB ™ port, plug the VGA monitor cable into the adapter and you are ready to go. There’s no need to open your computer to add an expensive graphics card. It allows you to add an additional VGA display through your USB ™ 2.0 port. The JUA210 USB ™ 2.0 Display Adapter acts as an external graphics card for your Mac ® or PC. Aluminum enclosure that is non-toxic and recyclable.Display Rotation: 0°, 90°, 180°, 270° (Please note: Rotation Mode functions on Windows ® only).Supports Display Modes: Primary, Extended, Mirror.Allows for up to 4 adapters in Windows ®.
