MORE POWERFUL AND SMART GIFTS FOR YOU! Note: Distilled/ purified water is preferred for your health. Specifications: Product Dimensions: 9.6 × 7.5 × 13.4 in / 24.5 × 19.2 × 34 cm Product Weight: 4.3 lb / 2 kg Whisper-Quiet Operation: ≤ 30dB Effective Range: 215–505 ft² / 20–47 m² Material: BPA-free suitable for babies and adults Features: √ Extra Large Water Tank of 6L √ The operation Lasts Up to 60 Hours with 7 Nights of Sleep √ Essential Oil Tray √ Free VeSync App and Smart Controls √ Ultra-Quiet Operation