MULTIFUNCTIONAL CAR HEATER: The car heater fan can heat or cool and heats up quickly in 30 seconds. You can quickly remove fog or frost from your windshield by heating the air. FROST AND DEFOGGING: The car heater can quickly remove fog or frost from your windshield by heating the air and remove snow from your windshield, keeping your view clear and allowing you to enjoy the warmth in the cold winter. Place a non-slip mat on it or use double-sided tape, then plug it into your car's 12V cigarette lighter and turn it on. It's very convenient to switch from natural wind to warm wind with a simple push. HIGH-QUALITY MATERIAL: The portable car fan is made of durable ABS material for maximum durability and features a mesh air outlet for better heating. WIDE RANGE OF APPLICATIONS: Suitable for all vehicles with 12V voltage, such as cars, trucks, lorries, etc. It's suitable for winter driving, camping, and traveling, allowing you to reach your destination safely and comfortably.