The OREI 4K HDMI 4x1 Quad Multi-Viewer HDS-401MV is an HDMI switch that allows you to easily switch between four different HDMI sources. With support for 4K resolution, this switch is perfect for high-definition video setups. The OREI brand is known for producing reliable and high-quality products, making this HDMI switch a great choice for those looking to manage multiple HDMI sources efficiently. Designed specifically for the OREI HDS-401MV model, this switch ensures seamless compatibility and performance for your HDMI needs.