vornado S Signature v-flow technology provides complete traffic of all the air in a room; powerful motor produces; higher volume of air movement up to 500 CU ft. per minute and pushes air up to 100 feet; unique CrossCut outlet create a wide span of constant airflow, eliminating the need for a wobble oscillating base; 4 speed settings and energy LED saving timer with 1, 2, 4, and 8 hour range; whisper-quiet operation and blacked by hat 5-year limited warranty