Adjustable Photovoltaic Panel Cleaning System:The Solar Panel Electric Cleaning Brush is designed to make window and outdoor cleaning effortless and efficient. Perfect for a variety of surfaces, this versatile tool is ideal for maintaining RV glass, store signs, and billboards, ensuring they always look their best. **Product Features:** - **Construction:** Made with an aluminum alloy rod and nylon brush bristles, this electric hand-held roller brush combines strength with flexibility for long-lasting use. - **Adjustable Cleaning Speed:** Operates at 150-300 RPM, allowing you to tailor the cleaning intensity to suit different surfaces and levels of dirt. - **Flexible Cleaning Options:** Choose between dry cleaning and water washing methods to tackle various cleaning challenges effectively. - **Powerful Water Pump:** Equipped with a water pump that can lift water up to 7-8 meters and deliver a flow rate of 45-60 liters, making it suitable for larger cleaning tasks. - **Wide Cleaning Coverage:** With a cleaning width of 600mm and bristle length of 580mm, you can cover more area in less time. ** Rod Options:** Choose the ideal length for your needs: - **3.5 m (11.4 ft):** Adjustable from 1.32 m (4.3 ft) to 3.5 m (11.4 ft) - **5.5 m (18 ft):** Adjustable from 1.60 m (5.2 ft) to 5.5 m (18 ft) - **7.5 m (24.6 ft):** Adjustable from 1.66 m (5.4 ft) to 7.5 m (24.6 ft) **Package Includes:** - 1 x Solar Panel Cleaning Roller Brush - 1 x Rod - 1 x Water and Electricity Rail Pipe - 1 x Water Pump - 1 x Power Converter **