1、The High Definition Multimedia Interface signal can go in either direction through this High Definition Multimedia Interface switch. 2、The High Definition Multimedia Interface switch has a button on top. 3、By pressing the button, you can select one of two High Definition Multimedia Interface source devices (e.g. Computer, for Xbox One, for PS3) to play on 1 High Definition Multimedia Interface projector or HDTV, or to play 1 High Definition Multimedia Interface signal source on one of 2 High Definition Multimedia Interface displays. 4、Easy to Use 5、Plug and play, no external power and driver required for this High Definition Multimedia Interface switch hub, the connection is made only via High Definition Multimedia Interface cables, it just takes you a couple of minutes to get it to work. 6、 1x High Definition Multimedia Interface Switch 1x User Manual - 1. If Your High Definition Multimedia Interface Source Device (like for XBox, for PS4) supports 4K, please use a High Definition Multimedia Interface cable 2.0 to connect 4K High Definition Multimedia Interface Source Device & High Definition Multimedia Interface switch & display, since High Definition Multimedia Interface cable 1.4 (or below High Definition Multimedia Interface 1.4) isn't enough to support the resolution of 4K (4096*2160). - 2. If your High Definition Multimedia Interface cable is not High Definition Multimedia Interface cable 2.0, you could adjust the resolution on your 4K High Definition Multimedia Interface Source device to 1080P (1920*1080) to match the specification of your High Definition Multimedia Interface cable. - 3. High Definition Multimedia Interface switch box couldn't get two display devices to work simultaneously when you connect 1 High Definition Multimedia Interface-Host to 2 High Definition Multimedia Interface TVs or monitors. Wide Resolution Range and Broad Compatibility: High Definition Multimedia Interface splitter box supports all kinds of video formats, like 3D, 1080p, 2K x 4K resolution, and also HD audio. Works with all devices fitted with High Definition Multimedia Interface port, such as PCs, laptops, gaming consoles, for Xbox 360, for Xbox One, for PS3, for PS4, projectors, TV receivers, TVs and more.