From the Manufacturer: Yealink UVC30 Desktop is a new USB (Universal Serial Bus) Camera with 4K UHD & 3x digital zoom for real & excellent experience. Equipped with built-in infrared sensor & face recognition, it supports Windows Hello feature to enhance your login security. Thanks to the sharp image & accurate color reproduction, it provides a vivid face-to-face video meeting experience in ultra HD 4K resolution & high frame rates. A wide FOV ensures everyone sitting before the monitor or laptop visible from far end. Featuring facial detection, UVC30 Desktop always frame people smoothly & correctly to accomplish a much more intelligent experience.