This 3-port HDMI switch will be a perfect companion for anyone who wants to get more HDMI ports on their TV. 3 HDMI in and 1 HDMI out design helps connect to more HDMI devices and it supports auto-switch and manual switch with"select" button. Key-Press-Switching Function  If one device is active, it will detect and display it automatically.If there is more than one active device, the last connected device will display and you can also press the "select" button to choose the device you want to attach to. The LED light will turn on to show thatis connecting to. High Quality  Made of gold-plated connectors and top-notch material, the switch will give you stable performance. No distortion of audio and video. Easy to Use  No extra power needed and no installation required. This switch allowsplug and play. High Resolution  Resolution up to 4K and it supports 480i, 480p, 576p, 720p, 1080i,1080P too. Specification:  3 HDMI inputs / 1 HDMI output Supported Audio Formats: LPCM, DOLBY AC3, DTS7.1,Direct Stream Digital Supported Video: 24bits, 36bits Supported Resolution:480i/480p/576p/720p/1080i/1080P/4K Video Bandwidth: 10.2GB/s or 340 MHz Operating Humidity Range:-15℃ to 55℃ Package Included:  1* 3-Port HDMI Switch Please Note: If your source device is 4k@60hz(HDMI 2.0 ), please set up the resolution to 4k@30hz to use this 3 port HDMI Switch  How to set the Resolution to fit our hdmi switch: 1. Connect your "4k*2k@30hz(HDMI 1.4) input device" directly to the TV 2. Then go to “Setting-Picture-Resolution(choose “Auto”)-then go to “HDMI Color Fomat”(choose “Auto”)

Hdmi switch 4k:3 HDMI ports in and 1 HDMI out for various HDMI devices,has the key-press-switching function.

Support 3D:Works well with HDTV,PC,Projector,PS3,Xbox,STB,Blu-ray DVD Players,4k TV etc.

Plug and play:One Fixed 1.8FT HDMI Cable (pigtail) provided,UHD Resolutions of up to 4K are supported, ,easy operation

HD Audio and HDCP Compliant- Audio Formats: Direct Stream Digital. No distortion of audio or video, no delay in signal transference.