HDMI KVM Switch 4 in 2 Out Dual Monitor Extended Display 4K @60Hz 4:4:4 with Audio and USB 2.0 Hub Sharing PC Monitor Keyboard Mouse Switcher

4 Port Dual Monitor HDMI KVM Switch Extended Display, 4 computers or Laptops sharing with one set of keyboard, mouse and 2 monitors which supports dual monitor extended display or duplication; Each computer and laptop need to have 2 video output interfaces and support extended display. Support Dual HDMI or HDMI + VGA / DVI / Display Port Computers & Laptops (Need Adapters, Not Included), Please be aware of this before purchasing. Convenient switch modes, 1. Hot key switching on keyboards that support all operation system; 2. Switch via Mouse Click switch; 3. Button swith on front panel; 4. Auto scan switch with adjustable interval (8-999 second). 5, RS232 code switch. Plug and play with no driver needed, include all cables and DC 5V/1A power adapter, with extra USB 2.0 ports for sharing USB printers, scanners and so on. Supports up to 4K @60Hz 4:4:4, built-in Auto EDID, supports separate audio input and output. anti interference metal design to ensure sturdiness.