Vibrant colourful light and night light: this fog humidifier has a vibrant colourful LED light that creates a peaceful atmosphere while providing a soothing mist. It offers you maximum relaxation. The night light could also improve your sleep quality. Button control: Click on the function button to spray continuously by default. Click twice to switch the interval spray, spray for 3 seconds and hold it for 3 seconds. Click again to turn off the spray. When switched on, press the function button for 2 seconds to turn on the colour gradient, press for 2 seconds to fix the colour, and three times to turn off the light. Two spray modes and waterless automatic switch-off function: the cool mist room humidifier contains 2 spray modes: continuous spraying and intermittent spraying. The duration of the spray mist can take up to 4 hours, the intermittent spray mist can last up to 8 hours. So you don't have to worry about the humidifier being damaged in the absence of water. You can use it at night without worrying about safety. Small size and powerful: this desktop humidifier holds 220 ml of water, and easy to use. Whether , in , in the car or on holiday. This portable USB room humidifier bedroom helps to relieve the dry indoor climate, clean the air, helps increase humidity and increase your quality of life. [Wide Usage]Perfect for different environments, such as bedroom, children's room, office, spa, yoga. It can also as a desktop decoration to create a cosy and pleasant atmosphere. (Suggestion:) If the humidifier does not spray on the first use, fill it with water and then turn it for 5-6 seconds to allow it to absorb enough water faster or soak the filter. colour: black Material: ABS Package Contents: 1 x Humidifier 2 x Cotton swab 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.