Windmill Essential Oil and Timer Rain Windmill Aromatherapy Diffuser Humidifier with Adjustable 7 LED Night Light Adjustable Rain Sound: With the adjustable windmill rain sound function, you can customize the intensity of the windmill rain sound to your preference. This feature ensures you'll create the perfect atmosphere for relaxation or concentration. The windmill rain mist night light diffuser emits a soft light in seven different colors. You can choose a single light or change the color, and you can add plant essential oils to create a fragrant and romantic environment. Easy to Use: Use only regular tap water for the best mist effect. Keep dry when not in use. Note: Essential oils are not included. Product dimensions: 215*105*245 mm, water tank 300 ml. Humidifiers can effectively improve indoor air quality and prevent dry skin, sore throats, and nasal congestion. Our windmill rain mist humidifier diffuser is made of high-quality PP material and is BPA-free. When the water runs out, the rain mist diffuser automatically shuts off, ensuring safe use. Therefore, you can confidently give this humidifier as a beautiful gift for your family and friends.