Z51 USB Female to 4K HDMI Male Video Capture Card for Computer Live Streaming Broadcast. The product complies with USB and video UVC specifications and supports operating systems such as Windows, Android, Linux, and Mac OS. Supports most capture software, such as VLC, OBS, Amcap, etc. High-definition capture, strong compatibility, smooth picture without stutter or delay. No external power supply required, compact size and portable. Specifications: Input: HDMI/M, supports 4K Output: USB/F, supports 1080P Operating environment: -20 Degrees Celsius to 65 Degrees Celsius Relative humidity: 5%–95% Material: Aluminum alloy Package included: 1 x Video Capture Card 1 x User Manual in English