This is an HDMI selector that allows you to switch and display up to three HDMI output devices on a single display or TV. It eliminates the hassle of plugging and unplugging cables, allowing you to easily switch inputs with the push of a button. 【Product Features】 Supports 4K High Resolution Supports resolutions up to 4K2K, outputting high-definition and beautiful images as they are. It also supports 3D video formats, allowing you to enjoy immersive content. 3 Inputs 1 Output Consolidates up to three devices, such as game consoles, recorders, and PCs, into a single HDMI input port. It's a manual switch type, so you don't have to worry about losing the remote control or running out of batteries. Compact Design & Easy Connection A compact design that can be installed in a space-saving manner. No external power supply is required; you can start using it immediately by simply connecting the HDMI cable. 【Product Specifications】 Input/Output Ports: Input HDMI x 3 / Output HDMI x 1 Supported Resolutions: 4K (3840×2160), 1080p, 720p, etc. Condition: New, Unused 【Shipping Details】 Shipping Method: Yu-Packet Post Mini (anonymous delivery, tracking service available)