Description: Dimension: Auto Cool Air Vent: 15 x 11 x 6 cm Solar Panel: 5.5 x 5.5 cm Color: Black Package Included: — 1 x Solar Auto Fan — 1 x Rubber Strip — 1 x User Manual Features: Solar powered ventilation system Auto fan blows hot air out of parked car Maintains comfortable temperature level for your return Fresh air is drawn in as hot, stale air vents out Auto Cool even helps to eliminate pet and tobacco odors Solar powered, no need battery Fits any car window Product Specification: Roll down the front or rear window on your car about 4~5 inches. It is important to choose the window that is receiving the most sunlight. Clip the Auto Cool Air Vent onto the window. Position the Air Vent in the center of the window making sure that the fan is positioned on the inside of the vehicle. Next size the weather stripping to fit on both ends of the Air Vent. Start by sliding the rubber stripping onto the bottom of the window and work your way up to the Air Vent. Once you reach the Air Vent cut the rubber strip with household scissors. Slide the remaining weather stripping onto the opposite side of the window and work your way to the Air Vent. Once you reach the Air Vent cut any excess weather stripping that you may have. Slowly Roll the window closed. The Auto Cool Logo on the front of the product can be easily removed if you choose to do so. Simply lift the sticker up and peel back.