Removes 99.9% of particles as small as 0.003 microns Hygienic humidification up to 600 ml/h with 4 pre-set humidity levels 3 auto Modes: general, allergen and sleep Choose 2-in-1 or Purifier only mode Track, monitor and control with your smartphone app. Nanocloud technology uses a natural and hygienic evaporation process to ensure superior performance up to 600 ml/h. Our laboratory testing confirms that nanocloud technology spreads 99% less bacteria than leading ultrasonic humidifiers. Suitable for room size 80m. Quiet operation. 4 speed settings. Filter included. Cold/evaporative humidification. Variable control. Timer. Low energy consumption. Manufacturers 2 year guarantee.