The video capture can capture both HDMI video and HDMI audio, sending audio and video signals to computers and smart phones for preview and storage.he zero delay HDMI loop-out function allows gamers to record their games while playing with no delay.Suitable for high definition acquisition, teaching recording, medical imaging, etc. It is easy to carry, have a superior performance,superior compatibility, simple installation and many other features.without having to install drivers , the real PnP, easy to use.