Whole-room purification: Only Dyson purifiers have Air Multiplier technology to draw in distant pollutants and project 290 litres of air per second throughout the room. * Removes airborne pollutants: HEPA and activated carbon filtration removes 99.97% of particles as small as 0.3 microns.** Senses and reports in real time: Sensors constantly analyze your air, while our unique algorithm cross-checks data per second. To precisely monitor, report and improve your air quality. LCD Screen: Monitor the air quality, modify settings, and switch between modes easily as they are displayed on LCD screen. Oscillation: Cools down whole-room with up to 350-degree oscillation with powerful air projection. Fan Speed: Allows to control the airflow with 10 fan speed settings. Night mode: Operates quietly to monitor and purify your room while you sleep. Remote Control: Turn the machine on or off, check real-time air quality, and switch between modes and fan speed easily with remote control. Warranty: Register your machine to activate your 2-year Dyson warranty. *Tested per Dyson internal test standards for whole-room air projection (DTM108) and purification coverage (TM-003711). **Tested per ISO 29463