【Dual Monitor KVM Switch 2 Monitors 3 Computers】The KVM switch dual monitor allow you to control 3 computers or laptops by only one set of keyboard mouse, share 4 USB 3.0 devices and 2 monitors. Support Extended & Copy Mode, click "Windows+P" to select "Duplicate" Mode or "Extend" Mode. Note: For dual-screen functionality, make sure your computer has 2 graphics cards. | 【Ultra HD Visual Effects】3 port KVM switch 2 Monitors 3 Computers maximum resolution support up to 4K@60Hz, and is backward compatible with 4K@30Hz, 1440P@60Hz, and 1080P@60Hz. Brings you realistic visual enjoyment. Note: If you need to output 4K@60Hz resolution, please make sure your HDMI cable, computer and monitor support 4K@60Hz. It is recommended to use a good quality HDMI2.0 cable that supports high refresh rate. | 【KVM Switch Dual Monitor with 4 USB 3.0 Ports】HDMI KVM switch 3 computers with 4 USB 3.0 ports for 3 computers to share USB devices such as mouse keyboard printer. Supports ultra-fast USB 3.0 data transfer up to 5Gbps. Make sure that each computer is connected to the KVM using a USB cable, otherwise the USB device will not be recognised. | 【EDID Simulation & 2 Switching Mode】KVM dual monitor HDMI support switch between 3 computers through Wireless Controller (included) or panel button. EDID Simulation is also supported so that when switching from PC1 to PC2 and then from PC2 back to PC1, the windows of PC1 will remain in the same order as they were before the switch and will not be disrupted. Note: To use the Wireless Controller, be sure to connect the Wireless Receiver to the device. Hotkey switching is not supported. | 【Stable work】The KVM switch 2 monitors 3 computers is equipped with 12V 1A external power supply, please use KVM after connecting the power supply to ensure the stable work of USB devices. If you have any questions during use, please contact us. We have a professional technical team to help you solve your difficulties. Within 24 months, we will replace the switch for free.