4 Ports HDMI KVM Switch Dual Monitor This KVM can make 4 computers share 2 monitors and 1 set of keyboard & mouse. With one button switch, you can switch between 2 computers freely, it only takes 2-4 seconds. With this KVM, your desktop becomes more tidy. It is very useful in a variety of usage scenarios, such as office, home, school, conference, etc. How to connect the box? Tips, Total 10 HDMI cablesand 4 USB cables and 1 Micro usb cable. Connection steps: ?.Connect the micro USB power cord for power. ?.Connect 1*USB A-B cable and 2*HDMI cables from EACH computer to the KVM. ?.Connect the HDMI port on the KVM to your 2 monitors with 2 HDMI cables. ?.Connect the mouse and keyboard into the "K/M" port on the KVM and turn on the power switch. Warm tips: ?We recommend that each computer use 2 HDMI ports, and don't use adapters/transfer cables/docking stations, as this may cause incompatibility. ?If it is normal working, then there is asudden failure, please check that each wire is firmly connected, then turn off the switch on the back of the KVM and then turn it on again. KVM Switch Dual Monitor Features 1) Support HDMI 2.0, HDCP2.2. 3840*2160@60Hz, 18Gbps, backward compatible .2) Plug and play, Adaptive EDID, compatible with multiple resolutions. 3) Built-in automatic adjustment system. 4) Power: supply DC 5V, power dissipation 2W max. 5) Support 4 computers share 2 monitors.?What's Included in a KVM Switch 4 Computers 2 Monitors?This product comes with 8 HDMI and 4 USB-B cables, 1 Micro USB power cable(Not include power adapter), English manual. In addition, a 1-year warranty service and lifetime technical support are offered. If you encounter any problem while using it, please contact us by for timely and effective guidance and help. ?Hotkey Switch and Button Switch?For your convenience and ease of use, we have specially designed hotkeys to switch control and panel buttons to switch between 2 modes. The hotkey switch (Click 2 times "scroll lock" and then click 1/2/3/4, or Click 2 times "Ctrl" and then click 1/2/3/4), Buttons witch:switch the two signal sources by the panel buttons, the status light tells you which port is active. Special Note:Hotkey switching is not supported when the keyboard and mouse use the USB 2.0 port. ?2 USB 2.0 Hub and Adaptive EDID?In addition to 2 USB 1.1 ports (marked as "K/M"), also expand 2 additional USB 2.0 Hubs, the high-speed USB 2.0 port makes it convenient for you to use USB 2.0 standard devices (printers, scanners, U disk Cameras, etc). Adaptive EDID, can automatically adapt to a variety of complex application environments. Compatibility with almost computers and other devices with HDMI connectors. ?KVM Dual Monitor 4K@60Hz Resolution?This KVM switch Dual Monitor resolution up to 3840*2160@60Hz, YUV 4:4:4, and backward compatible, conforms to HDMI 2.0 standard, 18Gbps, with clearer pictures and more vivid colors. ?KVM Switch HDMI 2.0 Dual Monitor 4 Port?This HDMI KVM switch box support extend display 2 monitors and control by a set of keyboard mouse, total connect 4 computers. Support Extended Mode and Mirror Mode. Perfect for sharing 2 monitors with computers/laptops with 2 or 3 HDMI graphics outputs.