EKL Switch Monitor Extended Display Review

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 / DisplayPort Computers & Laptops (Need Adapters, Not Included), Please be aware of this before purchasing. (dual HDMI input is the best, not suggest to use convertor, if the convertor is not good quality, it may lead to not display or reduce the resolution). 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. Remote control switch 6, 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.