From Xiaomi
Product name: Xiaomi Smart Air Purifier 4 Compact Product model no.: AC-M18-SC Product dimensions: Φ220 x 355mm Product net weight: Approx. 2.2kg Effective coverage area: 16-27m² Noise: ≤ 60dB(A) Particle CADR: 230m³/h Particle purification efficiency: High For Xiaomi warranty service and support Service email: service.sg@support.mi.com Address: 229, Lavender Street, Singapore 338778 Working Hours: Tuesday – Saturday: 10am – 7pm (Sunday, Monday, Public Holiday – Closed) Service Center Number: 85814530 Call Center Number: 8008528474