* Add an additional monitor without adding an expensive, internal video card, avoiding complicated installation. * Video playback performs at 1080P HD with a resolution of up to 2048 x 1152. * Easily add an additional display instantly through the USB3.0 and VGA/DVI/HDMI connection. In addition, j5create has developedthis compact design for the sophisticated user who cares about function as well as elegance. With 'Plug & Play' functionality between your computer and 2nd monitor or projector, you will be able to create a new visual environment in seconds. Mirroring mode is used to clone one screen onto another, ideal for presentations. Extended mode allows you to extend your desktop across multiple displays, great for spreadsheets. Primary mode, allows you to have individual applications open on each monitor, vastly improving productivity. The j5create USB 3.0 VGA SLIM Display Adapter supports three viewing modes. No need to open up the computer to add an expensive video card, with the USB 3.0 VGA SLIM Display Adapter you simply load the drivers, plug in the adapter to the USB port, then plug in the VGA monitor cable into the adapter and you are ready. It allows you to add an additional VGA monitor/display through your USB 3.0 port. J5create's JUA315 USB 3.0 VGA SLIM Display Adapter acts as an external video card for your MAC or PC.