Double-head outdoor automatic cleaning tools with stable structure and large cleaning area, lightweight for easy operation and one-handed operation during long-distance cleaning. Adjustable extension handle made of carbon fiber with locking structure for customizable length, with imported nylon wire for durability and no damage to photovoltaic panels. High-efficiency design with a cleaning width of up to 70 cm, which allows one person to clean between 500 and 750 cubic meters per hour and a water saving consumption of 1.5 to 3 liters per square meter. Strong Cleaning Power With dual water-driven brush heads that rotate in reverse direction to achieve balance, using high-speed rotation and water spraying to remove dust and sticky dirt effectively. Suitable for cleaning large areas in non-electricity environments, such as factory roofs, large power stations and mountain solar plants.