VERSATILE CLEANING SOLUTION - The water-powered telescopic brush is designed for efficient cleaning of solar panels and windows, making it an essential tool for maintaining photovoltaic performance INNOVATIVE SOLAR ENERGY - This handheld solar panel cleaning brush features a built-in photovoltaic that provides continuous power, allowing you to easily clean without an external power source Adjustable length for easy use: the telescopic brush of the water supply pole adopts a retractable design, which can easily reach high places to ensure the cleaning of solar panels and hard-to-reach glass surfaces Water spray function: this cleaning brush can effectively remove dust and debris from solar panels and windows, improving their efficiency and service life Durable and lightweight design: the telescopic brush for water supply pole is made of durable material, which is lightweight and durable, suitable for long-term use in various weather conditions and at the same time ensures cleaning results