HDMI Switch Splitter Distributor 1in2 4K 3D 1080p Dolby Bi-Directional Product description: This 4K HDMI splitter supports connecting 2 HDMI sources to an HDMI display or an HDMI source to switch between 2 displays (Both directions / BI-Direction). (Note: 2 monitors cannot be displayed at the same time.) Plug and play. No driver needs to be installed. No external power supply is required. Just plug it in - done. The splitter has a button to turn it on and off, it does not require an additional power supply. It makes it easy to switch between devices. The LED shows the operating status of the devices. The small size allows for easy storage and transport. Scope of delivery: 1x 4K HDMI splitter