Create extra comfort and joy so you can breathe easy and get more restful sleep. Multiple water purification filter cartridges orb impurities in the water, making it healthier, 5L large-capacity water tank, long-lasting humidification, no need to add water frequently The built-in box Essential Oil Compatible, you experience can directly add a few drops of your favorite essential oils for a spa-worthy The machine will automatically work on maintaining the humidity. The humidifier will turn off when the desired humidity is reached and will turn on again when the humidity drops to prevent unit damage and keep you safe. The large capacity bedroom humidifier produces a near silent frequency (≤35dB) ensuring extremely quiet operation for a full night of sleep.