Powerful 10W solar-powered dual fan for efficient ventilation and cooling Waterproof design ensures durability for outdoor use in various weather conditions for RVs, sheds, and outdoor spaces to improve air circulation and reduce heat Eco-friendly and energy-efficient, reducing reliance on electricity while providing optimal airflow Easy installation with included solar panel, making it a choice for off-grid living Welcome and I wish you a happy life, my friend., Manufacturer: JOLIANE