Only have one VGA output on your computer? No problem! This handy device will allow you to extend your PC desktop to a second or third monitor via a USB 2.0 port. Simply install the included software onto your Windows computer, plug the compact adapter into an open USB port, and plug a VGA monitor into the adapter. If you already have a dual monitor video card, this devices lets you add a third monitor to your desktop. You can have up to 6 monitors in Windows. Supports up to 1280x768 at 16/32 bit color @ 60Hz. Supports Primary, Extended, and Mirror in dual monitor settings. *Actual look of product may vary.