Description About this item The three-in-one design of 4K ultra HD camera, microphone and loudspeaker 1/2.5 inch and 8.51 million pixels 4K high-quality UHD CMOS sensor 121°wide field of view, 5X digital zoom, 30°vertical /horizontal rotation Beam Forming microphone is built-in, with a pickup distance of 6 meters Show more Show less