Vornado 173 Whole Room Tower Air Circulator Fan, 37" Signature v-flow technology provides complete circulation of all the air in a room 3 speed settings with remote control and energy saving timer with 1, 2, 4 and 8 hour intervals Powerful motor produces higher volume of air movement and pushes air up to 70 feet Unique crosscut outlet create a wide span of constant airflow, eliminating the need for a wobbly oscillating base Whisper-quiet operation and backed by a 5-year limited warranty Built to meet u.S. Voltage requirements. Certified, safety-tested, and warrantied for use only in the u.S