Shanghai AWESOME CO., LTD. We are providing high quality solar products such as Solar fan caps. They are the use of sunlight and the heat generated by solar panels and turn into electricity, which boost the fan rotation in order to achieve cool. It is equipped with high-performance motor. Life is more than 10 years, the stronger the light the heat, the faster its speed. Small size of the fan, looks cute when it rotates and will give people a sense of fashion. Solar cell performance, maximum output current is greater than 70MA, Voltage 0.5 - 1.5V, the fan diameter is about 63MM, the fastest speed of light is about 2100 r / min. The size of Cap diameter is adjustable. We have a variety of fabrics, packaging, colors, styles and trademarks. Large quantities Hat style model series can be customized according requirements. Welcome inquiries! These are the best choices of Travel gifts, urban fashion tribe, students, and other outdoor workers. The advances of the Solar fan caps are: 1.Use of high-quality monocrystalline silicon solar panels, you can use it for more than 10 years. ***** environmental protection, without batteries. ***** are waterproof and durable.