1、Manual Focusing: Web cam can be controlled independently, manual focusing, and graphics chip, better picture quality, USB drive free, plug and play. 2、Good Light Transmission: USB webcam lens has many layers, the lens is long, the light transmission is better, the color reproduction is high, and the video effect is more transparent. 3、Convenient Focusing: Computer camera uses the principle of SLR camera to independently control the focal length of the camera, and it can be displayed with a single twisting. 4、ABS Material: High definition webcam is made of ABS, high density, wear resistant, scratch resistant, making the whole body more stable and fit on the desktop. 5、5 Meter Omnidirectional: Wired web cam built in 5 meters omnidirectional, sound absorbing and noise reducing microphone, sound absorption is more accurate, and smoother calls are not delayed.