Features:-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.-Simple installation and strong practicability-In the case of not using the battery, but also directly rely on solar energy to absorb sunlight to convert into electricity, so that the fan operationSpecificationsMaterial:ABSColor: BlackBattery Type: Ni-MH Size: 16.6(L) x 7.2(W) x10.2 (H) cm \/6.54 x 2.83 x 4.02inchInstructions for use 1.the product after the installation is complete,see the light is on,if is that solar panels light has been in power generation.2.The left switch to the on position,then press the middle button.3.The middle button has 3gear,press once if the fan has been working,look at lights,if this time indicator than the original dark,illustrated in the use of solar panel out of the electric.4.Press again,the fan still works,see the brightness indicating lamp does not change,illustrate the use of battery electric.5.Press again,the fan stops working,have closed all the power supply.6.Under normal circumstances the middle button in any gear,as long as the solar panel has the power to issue,are hanging on to charge the battery.Installation step:1.the window down from the window on the first place,outside the short rubber strip2.Put on rechargeable solar car radiator3.Trim the long rubber line with window length and placed4.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 strip6.Adjust the panels make it on to the sun,and in accordance with the incident angle adjustment of solar panels.