Product Description: 4K HDMI Multiviewer Switch 9x1 Quad Multi Viewer Seamless Switcher 4K HD Multimedia Interface Multi Viewer: Effortlessly connect up to 9 HDMI input devices, such as security cameras, DVDs, TV boxes, and computers, to a single HD display screen. This multiviewer allows you to view all 9 input sources simultaneously on one screen, making it perfect for combining work, leisure, and entertainment without the hassle of frequent plugging and unplugging. 4K High Resolution: Enjoy stunning visuals with support for 4K 30Hz resolution, compliant with HDCP 1.4 and HDMI 1.4 standards. This device also supports 1080P 60Hz and is backward compatible with various resolutions including 1080i, 720p, 576p, 576i, 480p, and 480i. With support for 24, 30, and 36-bit deep color, and a high-speed transmission rate of up to 6x3Gbps with a 600MHz maximum bandwidth, you are guaranteed a smooth and vibrant viewing experience. 10 Adjustable Display Modes: Customize your viewing experience with 10 different display modes. Seamlessly switch between full screen and quad modes using the IR remote control, without needing to get up or press the switch key on the multiviewer. You can also synchronize the sound of the HDMI input source with the remote, enhancing your control and convenience. Compatibility: This quad seamless switcher is compatible with most devices featuring a standard HDMI interface. It supports inputs from security cameras, computers, TV boxes, satellite receivers, and PCs, and outputs to HD TVs, providing a versatile solution for a wide range of applications and ensuring an easier viewing experience on larger screens. 4 Control Methods: Enjoy flexible control options with panel buttons, remote control, serial port, and network control (default login IP 192.168.1.218). The device supports dynamic subtitle display with scalable options and picture-in-picture functionality, allowing seamless switching and enhanced viewing flexibility.