General description The CSPARKV Air Humidifier features a large 2L capacity and dual nozzles, making it ideal for maintaining optimal humidity levels in various spaces such as bedrooms, kitchens, and bathrooms. It includes a built-in humidity sensor that monitors room humidity in real time, ensuring a comfortable environment. Technical specifications Capacity: 2L Humidity sensor: Built-in, for real-time monitoring Recommended humidity level: 55% to 65% Usage For optimal performance, add 2-3 drops of water-soluble essential oil to disperse fragrance throughout the room. Avoid using non-water-soluble oils to prevent blockage of the cotton swab.