4 Port USB KVM Switch 4x2 for Dual Monitors - 4K@60Hz Resolution (Control 4 Computers with 1 Keyboard, Mouse, and 2 Monitors) Description: The 4 Port USB KVM Switch is designed to allow users to control four computers with just one set of keyboard, mouse, and dual monitors. This switch supports high-resolution output (up to 4K@60Hz) and is ideal for professionals working with multiple computers and dual-display setups. Its perfect for users who need to manage various systems seamlessly. Key Features: Dual Monitor Support: The KVM switch allows users to control 4 computers using dual monitors. To use the dual display function, both your computer and video card must support outputting to two screens simultaneously. It supports both extended and duplicated display modes, offering flexibility depending on your needs. 3 Display Modes: Mode 1: Two monitors splice together to display the image of one host. Mode 2: One monitor displays the main screen, and the second monitor shows the extended desktop of one host. Mode 3: Two monitors each show the desktops of two different hosts. High Resolution Support: Supports a maximum resolution of 4K@60Hz, making it suitable for high-definition content. It is also backward compatible with lower resolutions, including 3840x2160@30Hz, 1080P, 1080I, 720P, 576P, and 480P. Easy Switching Control: This KVM switch does not support hotkey switching. However, it offers manual button and wired switch control to toggle between computers. The absence of hotkey support enhances the physical interaction with the system. USB Device Compatibility: The switch supports a wide range of USB devices, such as a USB mouse, keyboard, flash drives, printers, cameras, etc., making it highly versatile for various peripherals. Built-in Automatic Equalization and ESD Protection: The KVM switch features an automatic equalization system to ensure a clear and stable picture display and comes with built-in electrostatic protection circuits for comprehensive safety and system protection. Important Notes: To support dual display, your computers video card must be capable of outputting to two screens. This switch does not process extended or spliced displays independently but relies on the computers capabilities. This is not a 4x2 KVM Matrix; it is designed specifically for dual monitor switching. Hotkey switching is not supported. Product Specifications: Max Resolution: 4K@60Hz, downward compatible with 3840x2160@30Hz, 1080P, 720P, and others. Modes: Spliced display, extended display, or separate desktop display across multiple hosts. USB Connectivity: Supports USB devices such as a mouse, keyboard, printer, U disk, camera, etc. Power Supply: USB power cable (included). ESD Protection: Built-in for enhanced safety. Installation Steps: Turn off all devices and unplug all cables. Connect the KVM switch to your computers and monitors: IN A1 + IN B1 + USB IN1 = PC1 IN A2 + IN B2 + USB IN2 = PC2 IN A3 + IN B3 + USB IN3 = PC3 IN A4 + IN B4 + USB IN4 = PC4 Connect the mouse and keyboard to the KVM switch. Connect the monitors to the KVM switch. Plug in the power supply. Power on your computers. Package Includes: 1 x Dual Monitor KVM Switch 4 x USB Cables 1 x USB Power Cord 1 x Wired Switching Button 1 x User Manual