Input (HDMI) resolution 3840×2160@30Hz, output (USB) resolution 1920×1080@30Hz Easily connect your DSLR, camcorder, or action Cam to your PC or Mac Real-Time Feedback, Shoot and produce within your favorite tools. Plug and play – NO driver, Low latency for game recording, meeting recording, live streaming. Compatible with Windows,Mac OS X Suitable for high definition acquisition, teaching recording, medical imaging, etc. Record videos directly to the hard disk without time delay The video capture can capture both HDMI video and HDMI audio.