Portable car heater features and benefits Fast defogging performance The car heater delivers warm airflow that clears fog quickly, helping maintain a clear windshield for safer driving in cold conditions such as frosty nights or wintry mornings. Heating and cooling Equipped with dual cooling and heating modes, this heater provides adjustable comfort yearround. It delivers cool air in summer and warm air in winter for a comfortable driving experience in any weather. Balanced temperature Adjustable temperature and fan settings create a comfortable cabin without overpowering airflow, making it suitable for winter commutes or long road trips. Flexible wideangle air supply A 360 swivel air vent ensures wideangle airflow that reaches all corners of the car, effectively covering both the driver and front passenger areas for enhanced comfort during coldweather journeys. Use scenarios Quick windshield defogging before daily commutes on frosty mornings to improve visibility and safety. Yearround comfort during road trips, adapting airflow to heat in winter and cool air in summer. Extended drives in cold weather, maintaining a steady, balanced cabin temperature for driver and passenger comfort.