ONE Click to Start Recording: ezcap286 SDI HDMI Recorder includes SDI and HDMI inputs. It will detective the input source automatically, and also own the video source switch between SDI and HDMI. You still can choose SDI or HDMI User can know which source input through the status indicator on the panel. ezcap286 SDI HDMI Recorder has SDI and HDMI pass-through, connect to SDI or HDMI monitor for preview. Only one click, records SDI or HDMI video at 1080p resolution, save in USB host or SD card directly, no computer required!