Upgrade Design This car radiator defroster quickly removes fog and frost from the windshield by heating the air. It can also function as a fan to help keep your car cool in summer and warm in winter.Rapid Heating The powerful defroster heats air quickly without waiting for the engine to warm up. Simply plug it into the cigarette lighter socket for fast and efficient window defrosting and dehumidification.Product Advantages Features a laminated aluminum alloy ceramic heater with automatic overheat protection. Designed for low noise operation, ensuring quiet performance while driving, making calls, or listening to the radio. Reliable, safe, energy-efficient, and low power consumption.Heat Resistance and Durability Constructed with oxidation-resistant alloy heating wire for high heat conversion efficiency. Resists high pressure and heat, durable, and resistant to aging, ensuring long-lasting performance and extended service life.