This 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 ...This 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)Support 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