1. Quick Heating This powerful car heater can rapidly warm the air within minutes, keeping your winter cozy. It effectively maintains a clear view of the windshield, preventing fog or frost from blurring your line of sight. 2. Smart Design Our windshield defroster has a cigarette lighter plug design, integrated fuse protection, automatic shutoff, and antivoltage features for safe use. With low energy consumption, minimal noise, and strong airflow, it helps solve the problem of fog or frost covering your car's windshield. 3. Easy Installation Simply plug the portable car heater into your vehicle's 12V cigarette lighter socket and switch between heating or fan modes (ensure your car has a 12V cigarette lighter port). This defrosting and defogging heater comes with a 180° rotatable suction mount for flexible positioning, making operation more convenient and comfortable. 4. Heating Cooling This portable car heater is designed to quickly remove frost and fog from your vehicle's windshield. It offers dual modes: heating and cooling. for defrosting/defogging windows and windshields in winter, it can also serve as a car fan to cool your vehicle in summer.