Product Description: 4x1 4K Multiviewer Switch HD Multimedia Interface 4 in 1 Out 60Hz 8 Viewing Modes KVM Multi Viewer Seamless Switcher with Remote Control for PC EU Plug Versatile Screen Mode Options: Experience unparalleled flexibility with 8 distinct viewing modes. Choose from single screen, picture in picture, triple image, side by side dual screen, proportional side by side dual screen, top and bottom dual screen, proportional top and bottom dual screen, and quad image display. These options allow you to tailor your viewing experience to suit any application, whether for professional presentations or home entertainment. Seamless Multi Input and Output: This multiviewer switch is equipped with four HD multimedia interface inputs and one output, enabling you to display up to four HD digital video signals on a single screen. Perfect for dynamic environments, it supports configurations such as four PCs input to one HD multimedia interface output, providing real-time video integration from multiple sources. Comprehensive Control Methods: Enhance your operational convenience with multiple control options. The switch supports mouse and keyboard connectivity, RS232 serial port, infrared remote control, and panel buttons. This array of control methods ensures you can manage your setup efficiently, boosting productivity by streamlining control processes to fit various situational needs. Enhanced KVM Functionality: With its unique KVM (keyboard, video, mouse) capabilities, this multiviewer switch allows a single set of keyboard and mouse to control four computers. KVM synchronization enables simultaneous operation of all PCs connected through four ports, facilitating seamless multi-screen synchronization and saving valuable time during complex tasks. Extended Cable and Crossed Screen Operating: The 4K multi switcher supports standard AWG26 cables with input and output lengths of up to 10 meters. Effortlessly navigate and perform crossed screen operations by clicking '*' and 'S' to move the mouse between PC1 through PC4, ensuring simple and effective control over multiple screens.