Supports HDMI video input capture and HDMI loop output. Supports resolution 480i-1080p60Hz format video capture. Supports resolution 4K2K@60Hz (Down Scaler)->1080p60Hz video capture. (Attention: 4K2K@50/60Hz 4:2:2 resolution not supported down scaler function.) 0 HDMI input and HDMI loop output supports HDMI 2.0, HDCP 2.2, resolution the maximum up to 4K2K@60Hz(4:4:4). Supports analog stereo audio input. (Double audio inputs selected to capture audio.) Supports analog stereo audio extract output from HDMI source. Compatibles Windows, Linux, OS X operating systems. Compatibles USB3.0 about transmission rate up to 300-350MB/s. Compatibles VLC, OBS, XSPLIT and AMCAP etc. PC capture software. Simple plug and play, no drive and setting installation required.