4 in 2 out Dual Monitor KVM for VGA + HDMI Computers and Laptops: Control up to 4 computers or Laptops from one set of keyboard, mouse and 2 monitors which supports dual monitor extended display or duplicated; It requires each computer and laptop has HDMI and VGA output interfaces and support extended display at the same time. Built with High-end protective anti-interference metal housing. Support Dual HDMI + VGA/DVI/DisplayPort Computers & Laptops (Need Adapters: Perfect for Dual HDMI + VGA PCs and Notebook. Also support HDMI/VGA/DVI/DP video output mixture devices but need reliable adapters (not included), Please be aware of this before purchasing. Cross Support Multiple Platform and Devices, Plug and Play with No Driver Needed: Fully compatible with Windows 10/7/2000/XP/ and Mac; also support HDMI devices like webcam, hard disk player, game console, DVR, NVR etc; With an extra USB 2. 0 port for sharing USB printers, scanners and Jump drives; support most wireless keyboard and Mou