Whether you’re at home or away, the Levoit Smart Air Purifier lets you set schedules, adjust settings, and monitor the quality of your air through your smartphone. Covering up to 290 sq. ft. or 27 sq. m., the Levoit smart air purifier refreshes the air multiple times per hour in mid-to-large sized rooms. Turn on Sleep Mode for near-silent operation, or crank up the fan speed for maximum efficiency. Auto Mode detects air quality and adjusts its performance accordingly. When it comes to the quality of your air, you can have peace of mind at all times with the Levoit Smart Air Purifier. Bonus filter included so you can enjoy clean air longer.