【Read Before Buying】 Please ensure that your PC Laptop or docking station has at least 2 HDMI Ports. If the computer and monitor signal interface is not an HDMI interface, and the laptop or Mac only has a USB C port, please contact technical support to confirm whether your requirements can be met. | 【Dual Monitor KVM Switch 3 Computers】 This Dual Monitor HDMI KVM Switch allows to control 3 computers or laptops by 1 set of keyboard & mouse, share 4 USB 3.0 devices and 2 monitors. One-touch switching avoids damaging the interface by plugging and unplugging. Support Extended & Copy Mode. Note: Press "Window+P", a small window will pop up, in which to choose "Duplicate" Mode or "Extend" Mode. Copy Mode: displaying the same image at the same time. Extended Mode: Extend three different images. | 【Ultra HD 4k@60Hz】 This KVM Switch 2 monitors 3 computers HDMI supports up to 4K@60Hz HD resolution, and is backward compatible with 2K, 1080P. Dual monitor kvm aslo support input terminal to connect 2 PC with different resolutions, e.g. one is 4K@60Hz, the other is 4K@30Hz, 1440P@60Hz, 3D, 1080P@60Hz or lower resolution.Note: if you need a 4K resolution , please use HDMI 2.0 cable and the length of the HDMI cables more short more better, and make sure your computers and monitors support 4K! | 【USB 3.0 HDMI KVM Switch】 KVM switch 3 computers with 4 USB 3.0 ports which can recognize keyboard, mouse, printer, scaner and other USB devices. USB 3.0 offers data transfer speeds of up to 5Gbps, while USB 2.0 offers data transfer speeds of only 480Mbps. Note: If the input USB 3.0 ports are not connected to the KVM or connected incorrectly, the output USB device will not be recognized. | 【EDID Emulator】 USB 3.0 HDMI KVM Switch can simulate the EDID of the monitor, store the resolution and refresh rate of the monitor. EDID functions 1. Lock screen, when you switch from PC1 to PC2, and then switch back to PC1 from PC2, the windows of PC1 will keep the order before switching and will not be disrupted. 2. Automatically identifies and applies the best resolution to the monitor. 3. Its plug-and-play and hot-swappable features enhance convenience and flexibility. | 【2 Switching Mode & LED Indicator】 This KVM Switch 3 port has 2 switching modes: 1. The 3 buttons on the body that allow you to switch from PC1 to PC3 instantly without having to press it twice; 2. The wireless controller allows you to switch computers at will, which allows you to hide the KVM switch and make your desktop more tidy. The LED indicators clearly display which computer is currently active. NOTE: This KVM Switches does not support Hotkey Switching. | 【High Compatibility & After-Sales】This 3 Port KVM Switch HDMI is compatible with most brands of computers and monitors on the market, and supports computer systems such as Windows/Vista/XP/Mac OS/Linux and Unix. It is widely applied for Enterprise, Office, Multimedia Teaching, Meeting Rooms, Gaming Rooms, Research Tests, etc. Within 24 months after purchase, if you have any problems, you can email us through order number, we can provide technical support and exchange or refund service.