Specifications:Product Type: HDMI USB 3.0 KVM Switch (2 in 2 out)Resolution: Support 1080P/1080@144Hz, 3840x2160p, 4K/60Hz resolution, adaptive screen resolutionSupport system: allInput Port: HDMI 2.0 x 4,USB-C x2, USB 3.0 x 4Output Port: 2x HDMI2.0,1x Stereo audioMaterial: Aluminum Alloy HDMI 2.0b HDCP 2.2: SupportedHard disk devices: SupportedHotkey: Ctrl+Shift+1/2 to PC1/ PC2 or double click "Ctrl",Ctrl+Shift+K to turn off/on hotkeyPower supply: DC5v 1ANote: 1. High power mobile hard drives require additional power supply2. Cannot be used through secondary adapterFeatures:Plug and Play: Button switch signal source device, freely switch between 2 computers by pressing a button. Simple to install, plug and play, no driver is needed. Powered by USB C.2 In 2 Out 4K USB 3.0 HDMI KVM Switch Box dual monitor for 2 PC Sharing Keyboard Mouse Printer Plug Play Video 2 Display USB Swltch SplitterShellanti-rust, anti-corrosion, anti-interference, fast transmission, surtace oxidationThree Switching Method:1. Press the "Switch" button on the KVM switch panel to switch between the two source devices;2. Use hotkey switch(Ctrl+Shift+ 1 / 2 to PC1 / PC2 or Ctrl + Ctrl),Ctrl+Shift+ K to turn off hotkey;3. Use IR remote contrl to switch PC 1/ PC 2.Package contents:1 x HDMI KVM USB Switch2 x USB data cable1 x USB power cable(Not included a DC 5v power adapter)1 x IR Remote Control(Not included 2* AAA battery)1 x User ManualRemarks!!!1. To support dual display, your pc's video card must be capable of supporting 2 HDMI out simutaneously.2. To use the extended and spliced display function, your video card must be capable of doing so.As the dual monitor HDMI KVM Switch display only what was connected to the input.It is a bypass swicth and it can not processing those function by itself.