Light and perfect design Solar power, No battery needed, Portable, energy-saving, eye-catching and free of pollution. brighter the sunlight, the faster the fan turns. Solar power, No battery needed, Only works in the direct sun. C on visor or held by hand, it will bring you cool breeze. Great for traveling, fishing, climbing, playing golf and other outdoor activities. Utilizes sunlight to emit lights to solar panel, and convert light energy into electric energy that drives the micro-motor to make fan work. Blade material: plastic Modeling: round Model: 9721 Color: Black Size:20 x 11 x 9cm Gross weight:84g Rated power: 0.2W Placement: clip type Specifications: Light and perfect design Solar power No battery needed Portable and energy-saving Eye-catching and free of pollution Only works in the direct sun Convert light energy into electric energy Package Included: 1 x Solar Fan