Feature:1. HD Multimedia Interface is connected to the audio and video input signals, and the USB interface is connected to the mobile phone or computer.2. Can realize HD acquisition, video recording, video live broadcast, teaching record, imaging, game live broadcast, and HD video recording of camera.3. Acquisition of HD Multimedia Interface audio and video signals and transmit them to phones and computers for preview, editing, storage and other multifunctional applications.4. Conform for USB audio and video UVC specifications, and support for Windows/Android/Linux/OS X system.5. Support most acquisition software, such as for VLC/OBS/Amcap etc, HD Multimedia Interface maximum input can support 4K, USB2.0 maximum output can support 1080P.6. HD acquisition, strong compatibility, no lag, no delay, no external power supply, small size, ultra‑thin and portable.7. Aluminum alloy numerical control technology, cover oxidation, environmental protection, good anti‑interference and heat dissipation capabilities.Specification:Item Type: Video Acquisition CardMaterial: Aluminum AlloyColor: Dark GrayWeight: Approx. 50.0g/1.8ozHow to use:1. Connect the signal source to the HD input port of the acquisition card through the HD Multimedia Interface cable2. Insert the USB end of the acquisition card into the USB end of the computer end3. Operation steps: open the software → add new source → select video acquisition device/audio input acquisition→ set screen size → select studio mode (dual window) and click to start recording.Package List:1 x Video Acquisition Card1 x Manual