Dualuse heating and cooling This 12V 120W car heater functions as both a heating fan and an air cooling device. It quickly warms the cabin in cold months and aids airflow in warmer conditions. It is designed for demisting and defrosting windshields, improving visibility, safety, and comfort for cars, trucks, and SUVs. Rapid defrost and clear view With efficient heating elements, the defrost function delivers rapid warmth in seconds to prevent ice or fog buildup. The strong airflow clears glass surfaces quickly, keeping your field of vision unobstructed on frosty mornings or in humid weather, enhancing safe driving for various vehicle types. 360° adjustable heat distribution Rotating design allows the warm air to be directed exactly where you need it inside the cabin. Large blowing area and sturdy railing ensure even heat coverage, creating a consistent and cozy environment while helping maintain good air quality for passengers. Compact and portable build Size 17 x 9.5 x 7.5 cm; lightweight and compact, it fits neatly into cabins without taking up valuable space. Easy to store when not in use. Suitable for multiple vehicles, it features a 1.25 m power cord for flexible positioning and simple bottom doublesided tape mounting. Practical use scenarios Winter mornings: rapidly defrost and demist the windshield to ensure a clear, safe view before driving. Humid or foggy conditions: quickly clear fog from windows to maintain unobstructed visibility. Everyday use: use as a portable heating fan or cooling fan to improve cabin comfort in cars, trucks, or SUVs.