Harness the energy of the sun to keep your car or attic cool and well-ventilated. Multi-crystal solar panel is installed on your roof to convert the natural energy provided by the sun. It maintains a safe, comfortable temperature level for your return. Place Auto cool vent on top of window, then close window and lock up. It’s solar panel uses sunlight – not the car’s electrical wiring or batteries – to power the built-in fan.Fresh air is drawn in as hot, stale air vents out. Auto cool even helps to eliminate pet and tobacco odors. Auto Cool Installs in seconds and fits windows on all makes and models.
http://cross-mark.blogspot.com/2011/08/solar-power-vehicle-fan.html
http://www.cross-mark.com/solar-power-vehicle-p-2102.html
Post time: Jan-16-2017