Size: This humidifier measures 11cm x 11cm x 11.5cm. Usage: Up to five hours of use with a full water capacity. Colour options: Choose from white, light brown or dark brown. Refresh: Breathe easy with this device that promotes moisture filled air! Spread: Reaches an area of 10 - 20 metres. Humidifier: Grab yourself a USB electric humidifier. Usb Electric Humidifier | Living Social | Living Social