Effortless Cleaning with Auto-Rotating Brush Heads: The solar panel cleaning tool features auto-rotating brush heads designed to effortlessly remove stubborn stains, enhancing cleaning efficiency by 80% compared to manual scrubbing with a 65 cm cleaning width. Versatile Brush Heads for Dry and Wet Cleaning: Comes with two types of brush heads—Row brush for effective dry cleaning by lifting dust and Loose brush for water washing, minimizing splashing and secondary pollution. Adjustable and Durable Telescopic Pole: The telescopic pole, made from a blend of carbon fiber and fiberglass, offers adjustable length for convenience. The lightweight plastic brush head and polyethylene bristles ensure safe cleaning without damaging surfaces. Portable Power Solution: Includes a 220V to 24V DC power supply, lithium batteries, and a backpack for easy portability, providing up to 4 hours of battery life for uninterrupted cleaning sessions. Handheld Design for Large Area Cleaning: The handheld cleaning device is ideal for large areas, offering efficient dry cleaning and handling moderately polluted environments with ease, matching the performance of double-headed cleaners.