Dimension of HD Video Capture Card: length: 65 mm, width: 65 mm, height: 22 mm Support HD video signal input Powered by USB3.0 (not need external power) Support HD video output Support all standard HD video protocols with resolution ratio below 4K Output resolution ratio up to 4K/30Hz, capture resolution ratio up to 4K/30Hz Compatible with HD video 1.4HDCP Support 48K and 44.1K audio input Support USB3.0 Work Power Consumption: 3W