This item is a mini portable solar car cooler exhaust fan specially designed for car vehicle which can help to remove the stuffiness in the car and keeping you cool with cool air circulated throughout your whole car. With solar panel, it can effectively absorb sunlight for recharging. Features - Color: Black. - Material: PC and ABS. - Size: 19.80X12.20X5.50cm;/7.78X4.79X2.16in; - Input and output voltage: DC/5V. - Solar panel charging power: 3W. - Fan rotating speed: about 3500 . - Rechargeable battery capacity: 4000man. - Working time: approximately 6 hours. - improve the exhaust and cooling efficiency effectively. - Exhausts hot air and strange in the car and draws in cool refreshing air. Remove the stuffiness in the car and keeping in your car even under hight temperature. - With external solar panel, it can effectively absorb sunlight for recharging. - Mini compact size, specially designed for and vehicels without occupying much space. - Solar and battery button , you can choose the solar panel or battery power supply separately. - USB interface, multiple charging modes. - Low noise, universal for all seasons. Package list: 1 fan