1. Fast heating and defrost capability: This 12V/24V car heater delivers up to 150W of power to quickly clear frost and fog from the windshield, enhancing visibility and driving safety. In summer, it doubles as a cooling fan for versatile allseason use. 2. Dual heating and cooling function: Easily switch between warm air mode for winter and fresh airflow for summer with the integrated fan heater design. The twoinone system keeps the cabin comfortable yearround, helps forestall condensation, and maintains clear windows without excessive energy use. 3. Adjustable 360degree rotation bracket: A fully rotating bracket allows precise airflow direction. Updown adjustment accommodates different seating heights, delivering comfort and effective defogging or cooling from any dashboard mounting position. 4. Long lasting ABS construction: Built with quality ABS material to resist wear and deformation, ensuring reliable performance across varying temperatures and driving conditions. The robust design supports steady operation over extended use and fits multiple vehicle types when mounted on the dashboard. Use scenarios Winter defrost and defog: Quickly clears frost and condensation on the windshield for safer driving on cold mornings. Allseason comfort: Provides warm air during cold weather and refreshing airflow during hot weather to maintain a comfortable cabin environment. Humidity and condensation control: Helps reduce window fogging in humid or rainy conditions, preserving visibility for safe driving.