The whisper quiet 20-inch Wind Machine fan has a full 360-degree adjustable rotation, positions that securely lock into place, and a 3-speed permanently lubricated motor. Includes safety grills, easy-grip carry handle, and 2-toned design with pearl finish. Durable impact-resistant plastic construction, energy efficient operation, comes fully assembled. CFM (cubic feet per minute): Low-2960, medium-3890, high-4750. 23-1/2 In. x 6-1/2 In. x 23-3/4 In., 120V AC, 165W, UL (underwriter's Laboratories) listed.