Sensing the air quality The Philips Series 1000i AC1214/60 Smart Air Purifier keeps a keen eye on your air quality. With the AeraSense technology, it monitors your air and adjusts its speed accordingly. You get a 1-12 index to visualise your air quality - 1 being pristine and 12 polluted. With three auto modes, the 1000i can adapt to keep on top of your air purification. It even features a night time mode which slows the fan speed and turns off display lights, so you keep your air clean 24 hours a day without sacrificing a good night's sleep. Remotely control your air purifier With the Air Matters app, you can adjust the mode of the 1000i wherever you are, so you can rest assured the air in your home will always be pure and clean when you return. Adjust the speed, get notified on real-time air quality at your home. Ideal for allergy sufferers The 1000i removes up to 99.97% of airborne dust, pet hair and pollen - perfect for getting some extra peace of mind if a family member is an allergy sufferer. The allergen mode is extra sensitive to any change in your air, keeping one step ahead of the allergens.