Feature 1Easy Installation: Easy to install, hang the exhaust fan vent on the door glass to avoid leaving gaps on the car window, and it can be used continuously in rainy days. 2Protect Car Electrical Appliances: Protect automotive electrical and electronic products from damage caused by high temperatures. 3Function: It helps to clean the environment in the car, eliminate the sweat odor of the steering wheel, car mats, and the toxic gas emitted by the car. 4Solar Powered: Using polysilicon solar panels, no power supply is needed to charge the battery, environmentally friendly. 5High Quality Materials: Made of high quality plastic and polysilicon, the car exhaust fan is sturdy, durable and energy saving. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Item Type: Car Exhaust FanMaterial: Plastic, PolysiliconProduct Size: Approx. 148 x 58 x 110mm / 5.8 x 2.3 x 4.3inDeodorization: Purify the Air, Remove Peculiar Smell and Bad SmellScope of Application: Not Applicable to Vehicles with No Door Frame Above the WindowWeight: Approx. 321g / 11.3ozPackage List1 x Car Exhaust Fan1 x Accessory1 x English User ManualNoteWhen in use, the window need to be opened to maintain air circulationWithout storage function