Features: 1Single Crystal Solar Panel: Solar panel is the central part of a solar power system, converting solar energy into electricity that can be used directly when sunlight is available. 2Double Fan: In the case of hot outdoor air, the wind is not strong and the cooling is not enough, but the two fans can achieve strong winds and deep circulation to drive away the heat for you. 3Waterproof Headlight: Hard safety hat has 3D three dimensional cycle high wind, strong light waterproof headlight, and direct use from the sun. In addition, this helmet also has a warning function for help. When in danger, the warning full color light flashes, and you can ask others for help through the light. 4Adjustable Size: Safety helmet adopts a knob type hat lining design, which allows you to adjust the hat lining according to the size of your head, suitable for various groups of people and comfortable to wear. 5Widely Used: Solar fan safety helmet is widely used. Widely used in construction, transportation, power, mining, metallurgy, oil, shipping and other industriesItem Type: Hard HatMaterial: Fiberglass and ABSColour: YellowProtective Objects: All kinds of splashes falling objects from heightScope of Application: Construction, transport, electricity, mining, metallurgy, petroleum, shipping and other industriesFeatures: can make the internal air flow of the hat shell wearer more comfortable, safe, beautiful1 x Hard Hat