12V car heater fan with adjustable heat and cooling settings. The heating function provides warmth while the built-in fan delivers cooling, and it doubles as a defog/defrost aid for clearer windows. Suitable for year-round use. Enhances camping trips and outdoor activities by keeping the vehicle cabin warm and comfortable in extreme weather, so you can enjoy time outdoors without sacrificing comfort inside your car. Compact and portable design that easily attaches to your vehicle’s vent. Delivers efficient heating with simple temperature control. Compatible with most cars, making it a practical choice for cold-region drivers and frequent travelers. Ideal for travelers and outdoor enthusiasts who need reliable warmth on the go. Use scenarios: - Winter mornings: quickly warm the cabin and defog windows for a clear view on your drive. - Camping and chilly trips: maintain a comfortable interior temperature during extended outings. - Hot days or parked vehicle: switch to fan mode to circulate air and stay cool inside the car.