Multifunctional car heater and fan Function and benefits This unit operates as a windshield defogger in winter and as a fan in summer, providing yearround comfort from a single device. It helps maintain clear visibility by quickly defogging the windshield and improves interior air circulation on hot days. Compatibility and performance Designed for 12V and 24V vehicle electrical systems, making it suitable for most cars, trucks, and other vehicles that run on these voltages. Delivers immediate airflow when powered on, with a compact design that integrates into the dashboard for practical use. Installation and adjustability Quick dashboard mounting allows for hassle setup and immediate use. Features a 360degree rotating bracket that can be adjusted to accommodate different seating heights and directions of airflow. The adjustable rotation ensures warmth or cool air delivery for both the driver and passengers. Use scenarios Winter mornings: mount on the dashboard, use the defogging function to quickly clear the windshield for safe driving. Summer commutes: switch to fan mode to improve cabin airflow and comfort without relying on the vehicle's air conditioning. Shared rides or varied seating: rotate the unit to direct airflow appropriately for the driver or passenger, accommodating different seating positions. What to expect Practical, dashboardmountable design that provides reliable defogging and adjustable airflow. Clear demonstration of key attributes: function (defogger and fan), compatibility (12V/24V systems), installation (dashboard mount), and performance (immediate use with 360degree rotation). Size and materials are not specified, but the unit is designed for straightforward installation and versatile airflow directions.