Product introduction: This USB 2.0 capture card can capture HDMI video and HDMI audio at the same time. It can transmit audio and video signals to a computer and smart phone for preview and storage. Suitable for high-definition acquisition, teaching recording, medical imaging, etc. Features: * Support maximum input resolution up to 4K; * Support maximum output resolution up to 1080P; * Support 8/10/12 bit color depth; * When using standard AWG26 cable, input transmission distance up to 15 meters (1080P and below resolution); * Support most acquisition software, such as VLC, OBS, Amcap, etc .; * Support Windows, Android and MacOS; * Comply with USB video UVC specifications; * Complies with USB audio UAC specifications; * No external power supply, compact size and easy to carry. Product Specifications: specification: HDMI resolution: the highest input can support 4K Video input format: 8/10 / 12-bit color depth Video output mode: YUV, JPEG Video output resolution: Maximum output resolution 1080P Support audio format: L-PCM Input cable length: ≤15 meters, AWG26 HDMI standard cable Maximum working current: 0.4A / 5VDC Operating temperature range: (-10 to + 55 ℃) Size: 64x28x13 (mm) Weight: 21.4g Note: Computer-side hardware configuration requirements CPU: PC i5-3400 or above; NB i7-3537U 2.0GHZ or above Graphics card: PC NVIDIA GT630 or above; NC NVIDIA GT735M or above Storage: 4G RAM Package accessories: 1. Capture card 2. User Manual Connect the UHD signal source and the HDMI input port of the USB capture card through 1 HDMI cable Plug the USB header of the USB capture card into the USB port of the computer Acquisition operation steps (OBS): Open the software → add a new source → select ‘video capture device’ → set the screen size → Add a new source and select ‘Video Capture Device’ and Set the screen size Select ‘Studio Mode’ (dual window) and the above settings are completed.