Etekcity 1x4 4 Port HDMI Powered Splitter1 In 4 Out HDMI Ver 1.3 Full HD 1080p 3D HDTV STB DVD supported Distribute 1 HDMI source to 4 HDMI displays simultaneously Basically all available audio options are supported, i.e., LPCM, Dolby-AC3, DTS7.1, DSD/Dolby True HD/DTS-HD master audio Supported video formats: Deep Color 480i/ 576i/ 480p/ 576p/ 720p/ 1080i/ 1080p - EIDI Duration: 6 seconds The interior hardware is protected by the heavy-duty metal enclosure which keeps the unit cool through heat absorption and dissipation Package includes: HDMI 1x4 Splitter, 5V AC Adapter, and a User Manual