High Twin Fan with Reversible Airflow, Adjustable Thermostat & Cool Technology, White

3-speed settings: Low, medium, and high for customizable airflow comfort. Built-in thermostat with LED display for precise temperature control (60-80°F). Dual motors with copper wiring for long-lasting performance in all weather conditions. Expandable side panels allow easy fit into a wide range of window sizes. Reversible airflow function for both intake and exhaust ventilation.