for Touch switch, one-piece molding, three stage to choose, light up your beauty. 2K for image quality, high definition without distortion, large real wide angle lens, real for image restoration, smooth and clear video. 360 ° adjust the lens angle arbitrarily to perfectly present the video screen. Business office, webcasting, online learning, video of relatives and friend, one machine with multiple functions. USB webcam can be easily install and use, plug and for play, no additional driver required, just plugging it with the USB cable to the computer.