【Upgrade Design】This car radiator defroster can quickly remove fog or frost on the car windshield by heating the air. You can also use it as a fan to keep your car cool in summer and warm in cold winter. 【Rapid heating】The powerful windshield defroster can quickly heat the air without waiting for the engine warms up. Just plug in the cigarette lighter, it can quickly and efficiently defrost or dehumidify your windows. 【Product Advantages】Laminated aluminum alloy ceramic heater has automatic heat protection. overheating and low noise, and it is reliable and safe to use. Silent noise, whether driving, making calls or listening to the radio, will not be disturbed. Low consumption and energy saving.