Experience uninterrupted tranquility with our brand newly launched Neo Classic 450 Top Fill Humidifier. Indulge in a blissful night's sleep, knowing that it is delivering soft, continuous moisture throughout the night for both you and your baby? Troubleshooting: 1.Do I need to use distilled water? Yes, we recommend using purified or distilled water to avoid white dust or possible hums. 2.How should I clean and refill the tank? Please clean your humidifier before first use and replace the water filter on a regular basis to avoid possible mold or mineral build-up. 3.How to use the aromatherapy function? Simply add 10-15 drops of essential oils to the base. Please do not add excessive amount of oil. Specifications: Product Dimensions: 8.1 × 8.1 × 12.8 inch Product Weight: 3.9lb / 1.77 kg Whisper-Quiet Operation: 21-26dB Effective Range: 376 ft² /35 m² Material: Food grade materials Wattage: 24W Features: ? Dishwasher Safe Design ? Large Water Tank of 4.2L ? Operation that Lasts Up to 42 Hours ? Easy Top-Fill Design ? Ultra-Quiet Operation ? 360 Rotating Nozzle Your satisfaction with our products is the priority of the team. If you find the product damaged or used when you receive it, please don't hesitate to contact us.