Enhanced Driving Safety The car heater includes a defrost and defogger function that quickly dispels glass fog and frost, improving windshield visibility for safer travel in cold weather conditions. Rapid Heating System A 1800W density heating design delivers efficient car heating, providing uniform warmth within about 3 seconds for quick comfort during cold weather use. Adaptable Car Heater Functionality Offers double temperature options and versatile adjustments to suit varying climates, ensuring consistent comfort throughout all your journeys. Flexible Airflow Control Delivers 360degree airflow with a multidirectional swivel mechanism, allowing flexible use in any car setup and enhancing comfort with easy, precise air distribution. Use scenarios Morning cold start: Preheat the cabin before you start your commute, reducing wait time and providing a comfortable environment when you enter the car. Frost or fog clearing: Activate defrost/defog to rapidly remove frost or condensation from the windshield, restoring visibility for safe driving. Allseason comfort on trips: During long winter trips in sedan, SUV, or truck layouts, adjust temperature and airflow direction to maintain a steady, comfortable climate for all passengers.