Solar powered ventilation system auto fan blows hot air out of parked car and maintains comfortable temperature level for you. With poly-silicon solar panel, no batteries needed. Fit for any car windows, except the car windshield without frame.
●With poly-silicon solar panel, no batteries needed
● This auto cooler fan uses sunlight from the solar panel to run the fan
●Maintains comfortable temperature level for you
● Protect the car electric appliance
● Keeps interior air clean
● Generally applicable to automobiles
Note: It is just an air exchange device with only 0.3W, not a usual fan