Adjustable 360degree Cardan Rotation The heater includes a rotating bracket that lets you move it up, down, or sideways to target specific areas and heights inside the cabin. This flexible airflow direction helps prevent windshield fogging and improves in car climate control for different seating positions. Versatile Heating and Cooling Operates on 12V or 24V. In winter it quickly defrosts windshields, and in summer you can switch to fan mode for a refreshing breeze. Designed for all season comfort with low noise, suitable for both driver and passenger sides. Quick Dashboard Installation A compact unit that mounts easily on your dashboard without complex tools. Made from durable ABS material that resists deformation with everyday use, and it is designed as a general fitment for various car and truck models. Efficient Defrost and Air Purification Functions as a defrost solution for icy windshields while helping purify cabin air. The 150W power output provides steady heating or cooling, improving visibility and breathing comfort in changing weather conditions for safer, year round travel. Use scenarios Winter morning defrost: install on the dashboard and direct airflow to the windshield to rapidly clear frost and improve visibility before driving. Summer comfort: switch to fan mode to circulate air, reduce stuffiness, and keep the cabin comfortable with minimal noise. All occupants' comfort on long trips: adjust the rotation to direct airflow toward the driver or passenger area for climate control.