No plug-in needed, and stronger sunlight means faster fan speed. Dual fans deliver 240 CFM airflow for full air circulation. Supports multiple DIY mounting options for greenhouses, chicken coops, and pet houses. Aluminum alloy body with IP65 water rating is designed for hot and humid conditions for steady, long-term use. | Vevor | | Solar Powered Fan, 15W Solar Panel with 2 Fans, Adjustable Solar Panel Angle, 2668 RPM High-Speed, Flexible Installation | Black | Best Buy