Input (HDMI) resolution 3840x2160@30Hz, output (USB) resolution 1920x1080@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. Specifications: Video output format: YUV/JPEG Support video format: 8/10/12bit Deep color Support audio format: L-PCM Support AWG26 HDMI standard cable: input up to 15 meters Support most acquisition software, such as VLC / OBS / Amcap, etc Support Windows / Android / MacOS Conform to USB Video and UVC standard Conform to USB Audio UAC standard Max working current: 0.4A/5V DC Without external power supply, compact and portable. Note: Computer hardware configuration requirements CPU: PC i5-3400 or above; NB i7-3537U 2.0GHZ or above image card: PC NVIDIA GT630 or above; NC NVIDIA GT735M or above Run memory: 4G RAM colour:black Material:metal size:64x28x13MM Package Contents: 2 x Audio Video Capture Cards