Computer Accessory Sets features: USB To VGA Multi-Monitor / Multi-Display Adapter, Resolution: 1680 x1050 Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. The USB-VGA Display Adapter enables you to connect one display devices (CRT/LCD monitor, projector) to your desktop or notebook PC. The connected display can act as mirrored or extended desktop of the main display on your PC. The flexibility of the common USB 2.0 technology saves the need to open the computer or struggling with compatibility issues related to the VGA card. * Features: 1) Support display resolution up to 1680 x1050 2) Multi graphics display modes: Primary, Extended and Mirror 3) Plug-and-Play USB connectivity 4) USB 2.0 compliant 5) Cable Length: 38cm * System Requirements: 1) Pentium 4 / Celeron Family, AMD K6 / Athlon / Duron Family. 1.0GHz or higher processor 2) 256MB RAM or higher; (Higher memory recommended for optimal performance) 3) Available USB 2.0 port, Windows 2000 SP4 / Windows XP SP2 / Windows Vista / Windows 7