Product function analysis: 1. Multi-device input: 3 input devices can be linked at the same time, sharing a monitor2. Picture : The product adopts high-performance core chips, high-efficiency signal transmission, eliminates picture distortion, smearing phenomenon, and the picture has no snowflakes and no freezes.3. Product process: gold-plated process, anti-interference, fast transmission, effectively reducing data transmission loss and improving signal transmission efficiency4. Switching function: button and remote control, two-way control, switch at will, just one click5. Lighting design: light blue indicator light, the working status of the equipment, let you easily know, and deal with problems more conveniently and quicklyInput and display devices are as followsInput devices include: computer, desktop computer, smart box, PS3, , switch and other source devices that pay Display devices include: TV, monitor, projector, etc.Product parameters:Model: SWH31Version: HDMI2.0Refresh rate: 4K@60HzResolution: 4K*2K, backward compatibleSupport: DTS/Dolby-tureHD/LPCM7.1/Dolby AC3/DSDMaterial: Aluminum alloycolour: As shownPackage Contents:1 x Video Switcher Adapter1 x USB Cable1 x English User ManualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.