You can use this as a room AIR FRESHENER by adding perfume to the water. Even though this humidifier is small, its benefits are significant. It emits water vapor and features warm + mixed color lights. It helps maintain skin softness by preventing dryness during summer and winter. It also helps reduce invisible dust and germs in closed rooms, purifying the air within a 3-4 foot radius. It is very helpful for uninterrupted sleep at night. You must use mineral water or boiled water at normal temperature in the humidifier.