Features: 1. Supports one set of keyboard and mouse to control four computers. 2. Share the printer, no need to plug and unplug various lines back and forth, and switch freely between multiple computers. 3. 4K picture quality is clearer, and the colors are pure and undistorted. 4. Support DDC function, automatically adjust the screen to adapt to the screen resolution. 5. Both sides are equipped with heat dissipation holes, which dissipate heat quickly and will not get hot after long-term use. 6. Plug and play, no driver required, easy to use. 7. Compatible with multiple devices: - Input devices: laptop, console, PS game console - Output devices: projector, monitor, TV Parameters: 1. Video resolution: 3840x2160, 4K 60Hz 2. Switching method: manual, hotkey 3. Power supply mode: USB 5V 4. HDMI version: HDMI2.0compatible with DVI1.1, HDCP 2.2 5. Audio format: LPCM25.17.1CH, Dolby 5.1CH 6. Color space: supports RGB 4:4:4 YCbCr 4:4:4 YCbCr 4:2:2 YCbCr 4:2:0 7. Support line length: Less than 15m (Res: 1920x1080 60Hz) Less than 5m (Res: 3840x2160 60Hz) 8. Product size: 178x77.5x20mm 9. Product weight: 400G Packaging list: - HDMI KVM switch x 1 - USB cable x 4 - Instruction manual x 1