Product name: Xiaomi Smart Air Purifier 4 Compact Product model no.: AC-M18-SC Product dimensions: 220 by 355mm Product net weight: Approx. 2.2kg Effective coverage area: 16-27m Noise: 60dB A Particle CADR: 230m/h Particle purification efficiency: High Power source: Corded Electric Item weight: 2.2 Kilograms