Cmple 112-N HDMI 2 Ports Switch (2X1) Multifunctional on switching : intelligent or mechanical No external power needed. Compatible with HDMI1.3 devices. Maintains high resolution video - beautiful, sharp HDTV resolutions up to 1080p, 2k, 1440p graphics and computer resolutions up to 1920 x 1200 are easily achieved Up to DTS Master Audio and Dolby Digital TrueHD support