Humidifier helps work against issues caused by dry air, such as colds, flu, allergies, and dry skin Silent operation for a sleeping baby Automatic or manual touch screen control of humidity rate, temperature, multi-coloured nightlight and essential oil diffusion Automatic shut-off provides peace of mind when water level is too low Five levels of steam flow control A 2.5L water tank maintains humidity in rooms up to 20 sq. m for up to 22 hours