This is a lovely Mini Airdrop Box shaped humidifier. When used as humidifier, it can add 30~40ml of water to air each hour. When used as night light, the intensity of light slowly changes to give a romantic environment. To turn the humidifier on, you only need to click on the touch switch once, and you will see fine mist coming out from the top of the Booth. The water bottle can hold 260ml of water. To turn the LED light on, double click on the touch switch.