This solar panel roller brush is equipped with a 400rpm high-speed rotating brush head. The adjustable angle design ensures a perfect fit with the surface of the solar panel, ensuring that the cleaning process is efficient and without dead corners, providing unparalleled cleaning results. [Flexible Cleaning Mode]  The product provides two cleaning modes. The dry cleaning mode is suitable for quick decontamination, while the water washing mode can deeply clean every corner of the solar panel to ensure that nothing is missed. The combined use of the two modes is both environmentally friendly and efficient, making cleaning work more flexible.