This is a lovely mini bottle humidifier and LED night light. When used as humidifier, It can add 300ml 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 ladybug. The water bottle can hold 300ml of water. To turn the LED light on, hold 3 seconds on the On/Off switch.