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This directional HDMI2.1 3-in-1-out switch adopts premium high-speed chip with full 48Gbps bandwidth, strictly one-way signal transmission: three different HDMI source devices feed signal to one single display only, no reverse split function available. Fully complies with official HDMI2.1 specification to deliver lossless 8K@60Hz ultra HD and 4K@120Hz high refresh gaming visuals, equipped with core gaming-friendly functions including VRR variable refresh rate, ALLM auto low latency mode, HDCP2.3 copyright decryption and full-range HDR formats for immersive home theater experience. Equipped with convenient IR remote and front panel manual button to switch input ports flexibly without frequent cable plugging; durable metal shell effectively shields external signal interference and accelerates heat exhaust for stable long-time operation. Plug and play instantly without extra software installation, ideal for gaming room, home theater and multi-source conference setup.