✓?Packing list?1*Dual Monitor USB3.0 HDMI KVM Switch+2*HDMI2.0 Cable(1.5m)+2*USB3.0 Cable(1.5m)+1*Wired Controller+1*User Manuals. ✓?Power Switch?When you don’t need to use KVM, you only need one-key switch to avoid re-plugging and saving power. ✓?Wide Compatibility and Easy to Use?This dual monitor KVM switch is driver-free, plug and play.It is required that each connected computer has 2 HDMI ports, but there may be many computers, especially laptops, which may not have two 2 HDMI ports, then an adapter is required, such as USB-C to HDMI, DP to HDMI. ✓?Extended Mode&Copy Mode?Dual display KVM switches require 2*HDMI connections per computer, and for computers with discrete and integrated graphics cards require both HDMI ports to be belong of the discrete graphics card. ?Note:✓?MAC M1/M2 only supports one external screen, no multi-screen output. ✓? If using the MST multi-screen docking station, the computer CPU requires support for 11th generation. ✓?2 Switching Mode&LED Indicator?This KVM Switch with 2 swtich methdos that are pressing the button on the panel and the wired controller(included).The two color indicator light will show which computer is the active computer. ✓?EDID Adaptive?USB3.0 HDMI KVM switch can simulate the EDID of the monitor, store the resolution and refresh rate of the display.✓✓✓✓How EDID works ?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. ? Automatically identifies and applies the best resolution to the monitor. ✓?Dual Monitor KVM Switches with 4 USB 3.0 Ports?Dual monitor HDMI USB switch 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 USB3.0 ports are not connected to the KVM or connected incorrectly, the output USB device will not be recognized. ✓?Support up to 4K@60Hz ?USB3.0 dual monitor KVM switch supports resolution up to 4K@60Hz,2K@144Hz. ?The dual monitor KVM HDMI switch supports 2 computers that with different resolutions, such as 1 computer is 4K@60Hz, the other is 4K@30Hz, 1440P@60HZ, 3D 1080P@60HZ or lower resolution. We recommend using computers with the same resolution. ✓?Dual Monitor KVM Switch 2 In 2 Out?This Dual Monitor KVM HDMI Switcher allows to control 2 computers by 1 set of keyboard & mouse and 2 monitors(Extend display mode or Copy display mode) ?Note?:Press "Window+P",a small window will pop up, in which to choose "Copy" Mode or "Extend" Mode.✓✓✓Note?: If your display is an HDMI2.1 8K display, please adjust HDMI2.1 to HDMI2.0 before connecting, otherwise it will not display.