From Dreame
• Angle of Air-flow = 0° / 45° / 90° / 180° • Room Area (Purification) = 100m2 • FCADR = 165m3/h • HEPA Rating = H13 • Air Distance = 10m • Environment Detect Technology (Tracks your movement) = Yes • Decomposition of Formaldehyde = Yes • UVC Sterilization = Yes • Plasma Sterilization = Yes • APP / Remote Control = Yes • Wheels (Easy to Manoeurve) = Yes • Minimum Noise Level = 32dB (A)