The USB 2.0 to VGA Adapter allows the user to mirror or extend their current PC or laptop desktop across another monitor up to resolutions of 1680 x 1050 @ 32 bits on a VGA/SVGA monitor. You can use up to 6 displays on one computer with a minimum specification of Intel/AMD Dual Core 1.8Ghz with 1GB or more memory. A single display can be run on as little as a single core 1.2Ghz computer with 512MB of memory. Specification : Display up to 6 displays with additional adapters on one PC Mirror Extend Primary or off modes USB 2.0 Hi-Speed Supports 1600 x 1200 max resolution Supports 16/32 bit colour 50cm molded USB 2.0 cable Compatible with Windows 10 8.1 8 7 and XP   System requirements : Minimum : Windows based computer Intel/AMD single core 1.5Ghz or higher CPU RAM : 512mb or higher Recommended : Windows based computer Intel/AMD dual core 2.0Ghz or higher CPU RAM : 2gb or higher