Solar/USB Dual Charging Vehicle Cooling Tool Car Exhaust Fan Vehicle Air Circulation Exhaust Fan Car Ventilation Fan ,Easy to Use

External solar panel, adjustable at multiple angles, can effectively absorb sunlight Three air ducts and three motors design effectively improve the exhaust speed Built-in large-capacity rechargeable battery can keep the motor running smoothly at high speed. Solar and battery switch control, you can control the solar battery to be used alone Solar panels can be used to directly charge batteries through solar radiation.