3-Port HDMI Switcher Connect 3 HDMI input devices (eg, game console, DVD player, etc.) to a single output display (HDTV), which can save clutter. Avoid confusion when connecting multiple cablesHigh resolution 4K video Enjoy your favorite media thanks to the advanced resolution 4K @ 30hz HDCP, Deep Color, 3DTV (also support 1080p)Support Auto Switch Support automatic detection of input source when connecting a new input device to the switch, the switch will automatically switch to that source just plugged inPlug and play The product design is simple yet powerful. The installation process is straightforward and there is no need to install any auxiliary programsSupport various switching methods You can not only use the device button to switch, you can also use the device remote control, you can also switch as you need, without leaving your sofa and bed