Features: The video capture device can capture both HDMI video and HDMI audio, sending audio and video signals to computers and smartphones for preview and storage. Suitable for high-definition acquisition, teaching recording, medical imaging, and more. Supports input resolution up to 4K; Supports output resolution up to 1080P; Supports 8/10/12-bit deep color; Supports AWG26 HDMI standard cable: input up to 15 meters (for 1080P and below resolution); Compatible with most capture software, such as VLC, OBS, Amcap, etc.; Supports Windows, Android, and macOS; Complies with USB Video Class (UVC) standard; Complies with USB Audio Class (UAC) standard; No external power supply required, compact and portable. Application Diagrams – Connection and Operation: 1. Connect the UHD signal source to the HDMI input of the video capture device using an HDMI cable. 2. Connect the computer to the USB port of the video capture device using a USB cable. 3. Operation steps for USB video capture (OBS): Open the software, choose video capture device as source, set image size, select Studio Mode (dual window), and choose Start Recording. Specifications: HDMI input resolution: Up to 4K Supported video format: 8/10/12-bit Deep Color Video output format: YUV, JPEG Video output resolution: Up to 1080P Supported audio format: LPCM Input cable distance: Up to 15m using AWG26 HDMI standard cable Maximum working current: 0.4A / 5V DC Operating temperature range: -10°C to +55°C Dimensions (L x W x H): 64 x 28 x 13 mm Notes: 1. Please allow 0–1 cm error due to manual measurement. Ensure you are comfortable with this before purchasing. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item. Package Included: 1 x HDMI Video Capture Card