1Easy to set up and operate, no external power supply is required, signals can be exchanged within one second with the push of a button, and the LED light will tell you which port is active. 2The splitter helps you connect 2 HD Multimedia Interface sources to 1 HD Multimedia Interface display, or connect 1 HD Multimedia Interface source to switch between the 2 displays, but not at the same time. 3HD Multimedia Interface switch supports input and output AWG26 HD Multimedia Interface standard cable length up to 5m, and there is no delay, no picture or video quality loss. 4Supports 3 Dimension and the highest 4K resolution and highdefinition audio, allowing you to enjoy the most luxurious video and audio. (Please use a standard HD Multimedia Interface 0 cable) 5The HD Multimedia Interface splitter switch is suitable for most devices with a standard HD Multimedia Interface interface. Input: computer, DVD player, PC, etc. Output: HDReady, Full HD TV, TV, monitor, projector, etc.