[HDMI 2.1 Switcher 3 in 1 out]: HDMI Switch supports connecting 3 input signal devices and 1 display device, helping you expand HDMI ports for TV. This HDMI connector also allows you to easily switch between the 3 input devices, saving you the hassle of frequently plugging and unplugging HDMI cables. Additionally, 4K 120Hz HDMI Splitter 3 in 1out is equipped with LED indicator lights to show which device is currently transmitting the display. | [4K@120Hz & 8K@60Hz Resolution]: HDMI Switcher Box supports various resolutions such as 8K@60Hz, 8K@30Hz, 4K@120Hz, 4K@60Hz, 1080p@120Hz, 1080p@60Hz, 720p, 480p, and more. 3 Port HDMI Switch also offers compatibility with HDMI 2.1, HDCP 2.3, HDR 10, Dolby Atmos, Dolby Vision, and 3D. | [Self-powered, plug and play]HDMI Switch draws power through the HDMI port, eliminating the need for a separate power cable. As a result, there are no specific installation requirements, and you can use HDMI hub in any location where an HDMI cable can be connected, without the need to be near an electrical outlet. In some situations, insufficient power supply for an individual HDMI input device may occur. You can connect an additional HDMI device to ensure that the product has enough power. | [Broad compatibility]: HDMI switcher is compatible with input devices such as Nintendo Switch, XBOX, PS4, PS5, Fire Stick, Roku TV, Blu-ray players, DVD players, laptops, desktop computers, and more. 3 Port HDMI Splitter is also compatible with display devices such as TV, monitor, projector, and other. Especially suitable for use with your next-generation gaming console, high-performance PC, 8K or 4K 120Hz TV, allowing your device to fully unleash its performance. | [Included items]: 8K HDMI switch *1, 2.6-Ft HDMI 2.1 version cable *1, user guide *1. The laptop can only be connected to the input port of this product and cannot be connected to the output port. If you experience abnormal display, please check the quality and length of the HDMI cable you are using. It is recommended to use a cable that complies with the HDMI 2.1 standard, and the cable length should preferably not exceed 3.9 feet.