1. No need for external power supply, compact and easy to carry 2. When supporting the use of standard AWG26 cables, the input transmission distance is up to 15 meters (1080P and below resolution) 3. Support most acquisition software, such as VLC, OBS, For mcap, etc. 4. Support Windows, Android, suitable for MacOS 5. Suitable for high-definition acquisition, teaching recording, medical imaging, etc. 6. Video input format: 8/10/12 bit color depth 7. Video output mode: YUV, JPEG 8. Video input resolution: 3840 x 2160 60Hz 9. Video output resolution: 1920 x 1080 60Hz 10. Support audio format: L-PCM 11. Working voltage: DC 5V 12. Working current: 0.4A 13. Working power: 2W 14. Operating temperature range: -10 to 55 degrees Celsius 15. Dimensions: 64 x 28 x 13mm 16. Weight: 21.4G Connection operation: 1. Connect the UHD signal source and the HD-MI input port of the USB capture card through 1 HD-MI cable 2. Insert the USB male connector of the USB capture card into the USB port of the computer 3. Acquisition operation steps (OBS): open the software -- add a new source -- select the video capture device -- set the screen size -- select the studio mode (dual window) -- click to start recording