MULTI-FUNCTIONAL CAR HEATER: The car heater fan can heat or cool, and it heats up quickly within 30 seconds. You can quickly remove the fog or frost on the windshield of the car by heating the air. GLASS FROST AND FOG: The car heater can quickly remove the fog or frost on the windshield of the car by heating the air, and clear the snow on the windshield of the car, keep the vision clear, and let you enjoy the warmth in the cold winter.. driving EASY TO INSTALL AND USE: Just fix the car heater on an anti-slip mat or use double-sided tape, then plug it into the car's cigarette lighter 12V socket and turn it on. It is very convenient to switch between natural wind and hot wind with a touch.. HIGH QUALITY MATERIAL: The portable car heater fan is made of durable ABS material, with maximum durability, and has a mesh air outlet for better heating.. WIDE RANGE OF APPLICATION: Suitable for all 12V voltage vehicles, such as cars, trucks, lorries, etc. It is suitable for winter cars, camping, travel, and allows you to reach your destination safely and comfortably.