CADR250 m³/h,ideal for 18-30m² area H13 True HEPA filter with Pre-filter, for strong filtering out harmful substances (99.9% of microscopic allergens,reduce odors, and certain germs) 3 settings including Auto,Turbo,Silent mode 4 color LED display of PM2.5 content in the air Silent mode with light off,noise control Al mode Smart & Energy Saving Automatically turn on or off according to air quality Filter indication,humanized reminder to track filter status Net ion technology to automatically capture and inactivate germs AI Mode Energy Efficient H13 True HEPA Filter 3 Settings: Turbo, Silent Mode Plasma Ion Function Indicator Filter Reset Indicator Noise Control