Bidirectional HDMI SwitcherThis HDMI Switch offer 3 HDMI Ports, so you could connect two HDMI sources to one HDMI display, or connect one HDMI source to toggle between two displays, With 2 LED indicators, you can easily know which port is active from the LED light (Only 1 of the 2 displays works at a time) 4K High ResolutionSupport 4k@60Hz and backward compatible with 2k/1080p. Enjoy 3D visual and experience immersive scenery as cinema. Note: please use standard HDMI 2.0 Cable, the total length of hdmi cable is no more than 3M if you need to get vivid 4K video.HDMI Cable is not included. Fast and Stable TransmissionThis aluminum HDMI AB Switcher not only support high bandwidth 3.4Gbps data transmission, but also ensure stable and high-definition display of audio and video, reduce data transmission loss and improve signal transmission efficiency. Broad Compatibility HDMI Splitter Switcher compatible for most standard HDMI port devices.