Motor-driven brush head rotates for efficient cleaning, and the lightweight design makes mopping and washing easier than ever. Capable of cleaning 500-750 square meters per hour, ideal for large-scale solar panel maintenance. Handheld cleaning roller brush with a diameter of 60 cm and rotation speed of 300 RPM. Adjustable angle design ensures a perfect fit with solar panels, providing smooth cleaning without dead corners. Power supply adapts to 100V-240V with included converter. Features reinforced aluminum alloy telescopic pole in three lengths: 3.5m, 5.5m, and 7.5m, offering reach for tall solar panels. Two modes: dry cleaning and water cleaning. Equipped with a water outlet; connect a water pipe for automatic spraying to better clean solar panels and improve power generation efficiency. Lightweight design suitable for solar panels and outdoor window cleaning. Applicable in various scenarios such as RV glass, store signs, and billboards.