Product 1. Car cooler and heater: This car defogger can not only heat up in winter, keep you warm in the car, but also eliminate defrost and fog on the windshield of the car, keeping you clear while driving . It can cool your car and make you feel good in the car. 2. High quality: suitable for long-distance travel or camping. Made of high-quality materials and high-quality pure copper wire, this car heater can last longer than other products. 3 air outlets, long transmission distance, wide range, low energy consumption and more energy saving. 3. Fast and efficient: You can heat the cars air in 60 seconds without waiting for the engine to warm up. This heater does not use gas and only uses the energy of the alternator, making it the most effective way of heating. 4. Low noise: Car radiators and air coolers are not as noisy as other traditional cars. Consumption.