Features: 100% Brand New and High Quality. ​ Outer solar panels, multi-angle adjustable, can effectively absorb sunlight ​ Three duct and three motor design improve the exhaust speed effectively ​ Built-in high capacity rechargeable batteries, keep the motor smooth running at a high speed. ​ Solar and battery switch control, can control the solar battery used separately ​ Solar panels can be used to charge batteries directly by solar irradiation. ​​ Sustainable use in the rainy day, can eliminate harmful materials such as smoke inside the car ​ Remove harmful gas from the car and keep the air clean. ​ Remove the hot gas from the car and reduce the temperature in the car. Specification Material: ABS Voltage: 2.4 V Rotate speed: 3500 rpm Specification Continuous working time: 10 hours Solar panel power: 4 W Current: 1600 mAh Built-in batteries capacity: 2AA*1200mAh(included) Package included: 1* Solar powered vehicle exhaust fan 1* Manual