Easy Installation — Complete kit includes everything you need to hide electronics in the ceiling, out of the way of the floor and tabletop. Capture The Speaker — The only ceiling microphone on the market with a directional microphone beam, automatically pointing to the person speaking. Superb Room Coverage — 360-degree coverage from three cardioid elements can handle a room up to 1,600 square feet with four arrays. Award-winning Technology — Makes full use of Polycom’s digital microphone and 22 kHz StereoSurround audio. Superior Audio Pickup — Adjustable drop height provides extraordinary voice pickup from anywhere in the room.