A-techSL21031mRED is a 2port Hdmi Switch2x1 with 3 Feet Hdmi Pigtail Cable switcher. this hdmi switch Make You Connect Dvd/xbox/stb or Other Two Input Source to One Display(hdtv/projector/ Monitors).the Hdmi Switch Swithcer Support Hdmi V1.3b and 3d-1080p in Abs-red Connector.