Rapoo C500 Webcam 4K FHD 2160P With USB2.0 With Mic Adjustable Cameras With Cover For Live Broadcast PC Desktop. 4K full HD auto focus (fixed focus).It adopts high-sensitivity chip and precision lens, supports 3840*2160 resolution, and the maximum frame rate is 30 frames. It can intelligently adjust the frame rate and resolution according to the ambient light, and quickly auto-focus (fixed focus). It can also provide clear and detailed images in low-light environments with true and natural colors.