Specifications:Help to eliminate pet and tobacco odors.Double duct and double motor design improve the exhaust speed effectively.Solar and battery switch control, can control the solar battery used separately.Solar recharge display, two motor controlled by one switch.Built in high capacity rechargeable batteries, keep the motor smooth.Temperature display, the temperature change inside the car can be observed directly.Outer solar panel, multi-angle adjustable, can effectively absorb sunlight.Sustainable use in the rainy day, can eliminate harmful materials such as smoke inside the car.Item Name: Solar Car CoolerStyle: CasualMaterial: ABSFeatures: Ventilation System Radiator, Sun Powered, DurableSize: 17.5cm x 14.5cm x 8cm/6.89" x 5.71" x 3.15" (Approx.)Installation Step:1.Put the window down from the window on the first place, outside the short rubber strip.2.Put on rechargeable solar car radiator.3.Trim the long rubber line with window length and placed.4.To the inside of the door the radiator under pressure by the window.5.Hand on the radiator, slowly close the window frame edge of the positioning groove of the rubber strip.6.Adjust the panels make it on to the sun, and in accordance with the incident angle adjustment of solar panels.Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Solar Car Cooler1 x Long Strip1 x Short Slab1 x Instruction Book