With the Vornado Energy Smart 683DC Air Circulator, you experience powerful airflow and up to 80% energy efficiency with its powerful DC-motor. Whole room Vortex air circulation Moves air up to 24m Multidirectional air flow Up to 80% more energy-efficient Adjustable height Whisper quiet Easy to clean The Vornado Energy Smart 683DC Air Circulator comes with variable speed settings to adjust airflow from whisper quiet to a powerful high setting for quick room circulation and multi-directional airflow. An easy-to-use variable speed control dial gives you precise airflow up to 24m, while signature Vortex Action creates whole-room circulation, keeping the entire room cool and comfortable.