Description:This fan can keep air fresh and provide you with a helthy and comfortable environment.Sunlight can be converted into electricity and make the fan operate.Energy-efficient solar power, reduce the environmental .It is easy to install, which is of great practicability.Fit for most of cars.Specification:Condition: Brand NewMaterial: PlasticColor: BlackPower: 0.5WVoltage: 2V, 120mAInstallation Steps:Roll down the front or rear window on your car about 4-5 inches.Chip the auto vent cooler deluxe onto the window.Next size the weather stripping fit in both ends of the auto vent cooler.Slide the remaining weather stripping onto the opposite side of the window and work your way to the auto vent cooler.Slowly roll the window close.Note:Please make sure that the power is sufficient.