This Desktop Humidifier produces a cool mist to replenish moisture in dry areas. 200ML water tank can last for 6-7 hours. Included LED light makes it perfect for office and home use. It can also be used as a night light. Soda Can shape fits right into cup holder in the car. Connects directly to any USB port. Material: ABS. 2.52" W x 2.52" H x 4.88" D