Iteam Type: Car Exhaust Fan Weight: Approx. 328g / 11.6oz Voltage: 2V Power: 0.5W Product Material: ABS Solar Panel: Monocrystalline silicon Product Size: Approx. 15 x 11 x 6 cm / 5.9 x 4.3 x 2.4 in 1The product has the functions of cooling, deodorizing, detoxification, defogging in rainy weather, and protecting the electrical appliances in the car. Suitable for general?purpose models. 2Detoxification function. If the temperature inside the car is too high, it will release 20 times the excess toluene. 3With the function of detoxification, lowering the temperature can reduce toluene release, provides a freshing air environment. 4Protect electrical appliances and reduce the temperature in the car to protect the performance and life of electrical appliances and electronic items. 5Healthy, energy?saving, air convection is good for health, with it, your car will be cool and fuel?efficient. 6Portable and lightweight. Solar charging, simple operation and easy to use, a good gift choice for your friends who have a car. 1 x Exhaust Fan 1 x Manual 1 x Sealing Tape 1. This product statement: It is solar energy ventilating, with a power of 0.5 watts. Don't think it's an electric fan. The main function is to ventilate. The car window is installed with anti?pinching, it may not be closed tightly. Therefore, the buyer who has installed the anti?pinch hand, bought the car window and said that the car window is not closed tightly, please think of a solution by yourself. 2. As long as there is sunlight on it will run fast,10 minutes can take away the harmful gases in the car.