Dyson s Find+Follow air purifier detects where you are and automatically directs cooling purified air towards you, even when you move. Powered by an Ai vision system with 17 point user detection, it finds, follows, and cools you with purified air. When someone else enters the room, it shares airflow evenly and efficiently. The camera never identifies anyone and only detects presence. Images are processed instantly within the machine, deleted, and never leave the device. Fully sealed, it captures pollutants and gases so they stay trapped inside, helping you breathe cleaner air.Fan not air conditioning unit. Allergens refers to non-living material. Gas capture rates vary.Tested to Dyson test method Tm-003387. In a 3 cubic meter test chamber, at fan speed 10, at third-party test laboratory (Fraunhofer Wki), comparison against regular activated carbon performance. 50% quieter compared to max fan speed.