The solar cap
is equipped with solar panel, which convert the solar energy to electric energy to drive the fan on the solar cap
. The power of the fan adjust on the sunlight, the more sunlight, the more powerful of the fan,so the stronger the sunshine is, the faster the fan rotates. The quickest rotational speed of the solar cap fan can reach 2,100 revolutions one minute.Such solar cap is great for gardening, hiking, jogging, golfing, fishing, beach activities and sporting events.