High-Efficiency HEPA Filter – Captures 99.97% of particles as small as 0.3 microns. Powerful CADR (400 m³/h) – Provides fast, effective cleaning for rooms up to 35–40 m². 3-in-1 Filtration System – Combines a pre-filter, True HEPA, and activated carbon for comprehensive purification. Real-Time Air Quality Display – Features a color-coded smart indicator for instant PM2.5 monitoring. Smart App Control – Easily monitor and manage your air quality via the Dreame Home App. Ultra Quiet Operation – Operates as low as 22 dB in Sleep Mode for undisturbed rest. Flexible Settings – Includes Auto Mode and multiple fan speeds to suit your environment. Filter Replacement Reminder – Ensures your purifier is always performing at its best. Breathe Pure. Live Healthy.