The brush head rotates automatically to easily remove stubborn stains from solar panels, enhancing cleaning efficiency compared to manual methods. Two brush heads included: a row brush for effective dry dust removal and a loose brush for water washing to minimize splashing and secondary pollution. Telescopic pole with locking mechanism, made from carbon fiber and fiberglass, adjustable length and lightweight to prevent damage to surfaces like solar panels or windows. Powered by a 220V to 24V DC supply with lithium batteries and a backpack for portability, offering up to 4 hours of battery life for extended use. Handheld design with rolling brush option, ideal for large-area cleaning in dry or moderately polluted environments, matching the efficiency of double-headed models.