About this item Solar + strong wind: super large solar panel, 110*69mm, power 1.5W. Built-in 6000 mA lithium battery. Solar + battery dual power supply, it can be automatically charged where there is sun, it can last infinitely, and effectively cool down. Dual fan effect: unique design, one fan achieves the effect of two fans, three speeds are adjustable, and the wind is sent to the back, which is lighter, more power-saving, and doubles the battery life. Charging design: The Built-in battery has USB output interface, which can be used as portable charger. The lights and fans will display the current power regardless of whether they are turned on or shifted. High-brightness and large LED front light, two button functions, three blinking modes Rainproof design: The solar photovoltaic is waterproofed, so there is no need to worry about damage in rainy days. It can be rainproof, but it cannot be soaked in water. Brand-new engineering plastics: The hat is made of brand-new engineering plastics, which is waterproof, sturdy, and resistant to pressure. It is suitable for construction workers, sanitation workers, firefighters and other workers in the sun. › See more product details