Yeren HDMI 4x1 Quad Multi-Viewer KVM Switch 1080P with RS232

This Yeren HDMI 4x1 Quad Multi-Viewer allows you to display up to four HDMI input sources simultaneously on a single screen, supporting full 1080P resolution. It features KVM functionality, enabling control of multiple computers with one set of keyboard, mouse, and monitor, along with RS232 serial port control for advanced integration. Ideal for multi-tasking, surveillance, and professional AV setups.

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