Digital Video Recorders features: 1080P Video Capture Card HDMI Loop Out to USB 2.0 Video Grabber Live Streaming Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. This product can collect HDMI video and HDMI audio at the same time, and can transmit audio and video signals to computers and smart phones for preview and storage. It is suitable for high-definition acquisition, teaching recording, medical imaging, etc. Features: * Support HDMI local loop out; * Support maximum input resolution up to 4K; * Support maximum output resolution up to 1080P; * When using standard AWG26 cables, the input transmission distance is 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 specification; * Comply with USB audio UAC specification; * Small size and easy to carry.