Multiple Tasking Ugreen PID: 40244 is designed to quickly and easily add an external VGA displays or monitors to your computer, Laptop, Ultrabooks or Macbook from a single USB 2.0/3.0 interface ar resolution up to 1920x1200. It delivers smooth, high definition content to multiple displays and can be used in primary, extend and mirror modes. It is a perfect solution enabling you to extend your display across two screens or as alternative displays for your main screen. Compatible System Windows: 10/8.1/8/7(64/32 bit), XP(32bit only) Mac: 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion Mac: 10.7 Lion, 10.6 Snow Leopard No support for Linux and Chrome OS Specification 1. Supports display resolution up to 1920x1200; 2. Supports USB 2.0 specification, speed up to 480Mb/s; 3. Supported modes: Extend, Mirror and, Rotate, Primary (set as main screen); 4. Aluminum case design, with better inoxidizability and corrosion resistance ; Notes Latest driver for Windows 10 and Mac OS 10.11 El Capitan, please contact support#ugreen.com.cn (change # to @) Package Contents Ugreen 40244 USB to VGA Video Card Graphic Adapterx1 Manual x1 Driver CD x1 Warranty Limited 12-Months Warranty and Lifetime Technical Support