1 x 72cm Rubber Strip1 x Auto Fan1 x Instruction ManualFeatures: The Auto Cool uses sunlight to keep your car air clean while you're away. When you come back to your car, you'll find it comfortable. How it works -- Auto Fan is a solar powered fan that keeps the interior of your car air clean. No batteries are needed. The solar panels on the outside collect and use the sunlight to run the fan that's on the inside. The fan in the Auto Fan circulates the air that's inside and outside of your car. Great Environment-friendly Product SaveIt can reduce the use of air-condition. Easy to install and portable, Solar-powered and no batteries needed. Fit any car windows.Specifications:Material: ABSColor: BlackSize: 15*6*11CM (L*W*H)Strip Length: 72CMPackage Included:1 x 72cm Rubber Strip1 x Auto Fan1 x Instruction ManualInstallation Instructions:1. Roll down the front rear window on your car about 4-5inches. It is important to choose the window that is receiving the most sunlighe.2. Chip the vent cooler deluxe noto the window.Position the auto vent cooler deluxe in the center of the window making sure that the fan is positioned on the inside of the vehicle.3. Next size the weather stripping fit on both ends of the auto vent cooler deluxe. Start by sliding the rubber stripping onto the bottom of the window and work your way up to the auto vent cooler deluxe. Once you reach the auto vent cooler deluxe 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 auto vent cooler deluxe. Once you reach the auto vent cooler deluxe cut any excess weather stripping that you may have.4. Slowly raise the window.