1080p Resolution Support: The Gana HDMI Switch/3-to-1 Splitter supports 480p, 576i, 576p, 720p, 1080i, 1080p resolutions (1920 x 1080p) and 3D video. 3-Port HDMI Switcher: 3 HDMI inputs and 1 HDMI output for various HDMI devices. 3 HDMI source devices can be connected and manually selected for playback. The Gana HDMI Switch ensures that there is no need to constantly plug and unplug cables. Plug and Play: no additional power supply required. HDMI splitters are automatically powered by the source devices through the HDMI ports. Gold-plated HDMI inputs and outputs: The 24k gold-plated connectors are corrosion-resistant, reduce heating and increase transmission performance.< /p> HD audio and HDCP compliant. Audio Formats: LPCM, Dolby-AC3, DTS7.1, Direct Stream Digital. No distortion of audio or video, no delay in signal transmission.