Amcom 3Port HDMI Splitter Switcher 3x1 Auto Switch 3-In 1-Out With 18 Inch HDMI Output Pigtail Cable High performance HDMI Switcher Easily switches three sources to one display. 3x1 pigtail HDMI switch allows 3 HDMI ports to be switched to a single display terminal via remote control or buttons on unit. The switcher can be alsoplaced at the end of a long HDMI cable to regenerate the HDMI signal. This 3x1 HDMI Switch supports video formats including 720p, 1080i , 1080p. HDMI switch to expand the number of available HDMI port on a high definition TV allowed to connect the cable boxes, blu-ray players. HDMI Switcher routes high definition video (in multiple resolutions up to 1080p) and digital audio from any one of the three sources to display units.