4 Port 4K@60Hz Dual Monitor DisplayPort KVM Switch (DP+ DP+DP+DP) With this DisplayPort KVM Switch 4-Port, you can easily control 4 signal sources at the same time, share the same keyboard and mouse, and share 2 monitors.You can toggle and control any input device at any time with a button switch. Feature: 1. 4 computers share one set of keyboard, mouse and 2 monitors, and other USB devices.2. This dual monitor DisplayPort KVM switch supports up to 4K@60Hz. It offers an ultra-high-definition visual experience.3. Supports DP1.2 with a transfer rate of 18Gbps.4. Dual monitors output support output extended, mirrored, or spliced display（Depending on your computer's graphics card.）;5. 4 Ports Dual DisplayPort KVM switch with 3 USB 2.0 ports for USB devices, and with extra Audio Microphone output;6. Compatibility with all computers and other devices with DP ports.7. Compatible with Windows 10/7/2000/XP/Vista, Linux, UNIX, Ubuntu, Fedora, and other systems.8. Switching modes: Button switch and wired remote.9. The ports that need to plug in DP/USB cables are all hidden behind the KVM, so the desktop doesn't get cluttered; Displayport Dual Monitor KVM Support 4K@60HZ Confirms to DP 1.2 protocol, supports a maximum resolution of 3840x2160@60Hz, and is compatible downwards.Note: Only when both your computer Graphics card and monitor support 4K@60Hz then you can get the 4K@60Hz effect, so if you want the max resolution you have to check your devices (Cable, monitor, computer Graphics) first. Connection steps: 1. Insert the DC/5V adapter into the KVM ;2. Plug the DP cable into the KVM and monitor;(Output)3. Plug the DP cable and USB cable into the KVM and your computer/laptop (DP cables are not included)(Input) DP IN1 A + DP IN1 B + USB IN1=PC1 DP IN2 A + DPIN2 B + USB IN2=PC2 DP IN3 A + DPIN3 B + USB IN2=PC3 DP IN4 A + DPIN4 B + USB IN2=PC4 4. Insert the mouse and keyboard into the KVM switch.5. Connect the headphones and audio to KVM.6. You can switch by pressing the switch button or wired remote. Note： 1. Please make sure the cables are properly linked. The cables of PC1, PC2, PC3, and PC4 do not support mixed connections. If your mouse and keyboard cannot be recognized, please check if the USB cables of PC1, PC2, PC3, and PC4 are connected backward.2. Most of the reasons why only one video output works are because of an incorrect connection. Please make sure each PC has(2 DP cables+1 USB cable) connect to the KVM.3. If the KVM switch does not work, you can turn off the switch on the panel and turn it on again after 2-3 seconds, and it will return to normal.4. Before purchasing this DP dual monitor KVM switch, please connect your computer to 2 monitors directly to test whether your computer supports dual monitor output ( mirror and extend)5. Note: DP cables are not included This DisplayPort KVM Switch 4 Computer 2 Monitor supports 3 modes of display (Extended Display, Mirrored Display, Spliced Display) 1. Extended mode can output two different screens and mirror mode can output two identical screens. Note： If your graphics card has a splicing screen function, you can use the splicing screen mode.2. The requirement for this KVM to achieve a dual-screen display is that each PC you connect to has the capability to support a dual or multi-screen display. This has nothing to do with KVM.Test method: You can connect your computer directly to 2 monitors (not through the KVM switch DisplayPort). If both monitors have a screen display, the computer supports a multi-screen display. 4 PCS Share 3 USB 2.0 Devices This KVM switch 2 monitors 2 computers with 3 USB 2.0 Ports for keyboard, mouse, printers, USB headsets, or webcams. Supports Separate Audio and Microphone Output This DisplayPort dual monitor KVM switch comes with a 3.5mm Audio Jack port with a DAC chip inside, which can be inserted into a 3-segment 3.5mm earpiece device, and a 3.5mm microphone interface, which can be inserted into a 3-segment microphone. Dual Monitor KVM Support 2 Switching Modes Quickly switch between the 2 computers with just one click of the switch button on the panel or use the wired remote controller (included in the package).Please note: This dual monitor KVM switch displayport does not support hotkey switching. What's in the Box: (1)1x 4 Port DisplayPort Dual Monitor KVM Switch(2)4x USB-A to USB-B Cabel(3) 1x Switch button cable(4) 1x Power Adapter(5) 1x User manualNote: DP cables are not included