Features 1The product has the functions of cooling deodorizing detoxification defogging in rainy weather and protecting the electrical appliances in the car. Suitable for generalpurpose 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 energysaving air convection is good for health with it your car will be cool and fuelefficient. 6Portable and lightweight. Solar charging simple operation and easy to use a good gift choice for your friends who have a car. Specification Iteam Type: Car Exhaust FanWeight: Approx. 328g / 11.6ozVoltage: 2VPower: 0.5WProduct Material: ABSSolar Panel: Monocrystalline siliconProduct Size: Approx. 15 x 11 x 6 cm / 5.9 x 4.3 x 2.4 in Package List 1 x Exhaust Fan1 x Manual1 x Sealing Tape Note 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 antipinching it may not be closed tightly. Therefore the buyer who has installed the antipinch 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 fast10 minutes can take away the harmful gases in the car.