Holiday Shipping Details & Extended Holiday Returns 
This KVM switch 3 computers 3 monitors perfect for hooking up 3 desktops or laptops to share one set of wired or wireless keyboard mouse and 3 monitors (supports extended and mirrored display modes).
Please note that: extended mode can output three different screens and mirror mode can output three identical screens.
Features:
- 3 computers share 3 monitors and 4 USB 3.0 devices.
- Supports wired or wireless keyboard and mouse.
- Switching mode: button switch and wired remote.
- Driver-free for Windows, Mac, Linux, Unix, Ubuntu.
Each computer requires 1*HDMI+2*Displayport +1* USB cable to connect the 3 monitor KVM switch,OUT A, OUT B, OUT C connect to 3 monitors.
Supports DP to HDMI, USB-C to HDMI, USB-C to DP converter and USB-C docking station.
Please confirm whether your computer's graphics card supports 1*HDMI+2*Displayport before placing an order.
KVM switch 3 monitor driver-free for Windows, Mac, Linux, Unix, Ubuntu and most other major OS.
Support many kinds of input devices such as PC, Laptop, PS4, Raspberry Pi, DVR, NVR.it is widely applied for Office,Game,Meeting,etc..
Triple monitor KVM switches with 4 integrated USB 3.0 ports,supports ultra-fast 5Gbps data transmission,which can recognize keyboard, mouse, printer, scaner, USB flash drive and other USB devices.
You can press the button on the panel or use the wired remote to switch the computers.
Three color LED indicate the active computer.
Windows OS: Press the shortcut key "WIN+P" and then select "Extension" or "mirror"
Mac OS: Set [Mirror Mode]: Select [A-p-p-l-e Icon] [System Preferences], click [Display] [Arrange], and then check [Mirror Display];
Set [Extended Mode]: When [Mirror Display] is unchecked, "Extended Mode" can be achieved.