Safety Helmet with Fan

CPN-561873832

High quality PP. Polycrystalline solar panel, laminate, is durable. No batteries required, solar power: 0.3 W. Modern design, environmental protection and energy saving There is no On / Off switch. When there is a strong sunshine point-blank, blowing fan with your mouth then it will work. When in shadow, it will stop The helmet can be adjusted to well fit different head size, good for people who head circumference: 52-62 cm / 20.5-24.5 in Suitable for construction workers and other workers in the sunshine"