Electric handheld roller brush for solar panels and outdoor surfaces Why this tool helps Cleans large flat surfaces quickly and consistently, reducing manual effort and streaks. Switchable dry and wet cleaning modes plus automatic water spray allow light dust removal or deep washing as needed. Telescopic aluminum pole and adjustable brush head reach higher or awkward angles without ladders. Key features Cleaning width: 600 mm (60 cm) for wide coverage per pass. Brush speed: 150 to 300 rpm for effective scrubbing without overloading surfaces. Materials: aluminum alloy telescopic rod and nylon brush filaments for durability and safe contact with glass and panels. Adjustable brush head angle and height to maintain full contact and avoid dead corners. Builtin water outlet and automatic spray for controlled wet cleaning; easy switch to dry mode for quick decontamination. Working temperature range: 10 to 40 C. Brush head size: 70 x 36 x 17 cm; brush unit weight: 5.4 kg. Telescopic pole options (three models) 3.5 m model Maximum length 3.5 m Minimum length 1.32 m 3 sections Section length 123 mm 5.5 m model Maximum length 5.5 m Minimum length 1.60 m 4 sections Section length 145 mm 7.5 m model Maximum length 7.5 m Minimum length 1.66 m 5 sections Section length 150 mm Package contents Solar panel cleaning roller brush x 1 Telescopic rod x 1 Water and electricity rail pipe x 1 Power converter x 1 Performance and use Use dry cleaning mode for quick removal of dust and light debris. Use water washing mode with automatic spray to remove grime, bird droppings, and buildup from panels, windows, RV glass, signs, and billboards. Adjustable angle brush head maintains contact across framed or slightly curved surfaces for consistent results. Practical applications Routine cleaning of rooftop or groundmounted solar panels to maintain light exposure and output. Cleaning exterior glass on RVs and motorhomes without needing roof access. Washing storefront windows, illuminated signs, and outdoor billboards at height. Specifications summary Name: Electric handheld roller brush Materials: Aluminum alloy telescopic rod, nylon brush wire Cleaning width: 600 mm Brush head size: 70 x 36 x 17 cm Brush head weight: 5.4 kg Brush speed: 150 300 rpm Cleaning methods: Dry cleaning or water washing Working environment temperature: 10 to 40 C What makes it stand out Combines a powered rotating brush with water spray and a lightweight aluminum telescopic pole to reach and clean a variety of outdoor surfaces safely and efficiently. Multiple pole length options let you choose the reach needed for your site without compromising brush performance.