colorful lights can freely control the color, you can choose the most suitable night light when you are resting The portable air conditioner is powered by the USB port, which can be connected to an adapter, mobile power supply, computer, etc. It can also be used outdoors with a rechargeable mobile power supply. When you 't want to turn on the main air conditioner in your home, you can turn on the portable air conditioner, mini portable conditioner is perfect for cooling the room. 't worry about high electricity bills anymore, enjoy mini air cooler for just a few cents It can be used as a fan, with three speeds that can be adjusted. It can also be used as a humidifier by adding water. Adding ice-cubes will have a better cooling effect Input power:5V 2A Rated power:10W Water tank capacity:900ml Gear position:three gear adjustment Colour:As Shown Material:Plastic Size:210x302x210mm Package Contents: 1 * Humidifying fan Only the above package content, other products are not included. Note: Light reflection 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.