Electric handheld roller brush for solar panels and outdoor glass cleaning Key benefits Reach and awkward areas without ladders using a telescopic aluminum alloy rod. Adjustable brush head and rotation deliver consistent contact and reduce missed spots. Choose dry cleaning for quick dust removal or use the automatic water spray for deeper cleaning. Compact 60 cm cleaning width covers large surfaces faster, lowering labor time. Main features Adjustable telescopic rod: available in 3.5 m, 5.5 m, and 7.5 m options to match different work heights. Automatic water spray: builtin water outlet allows seamless switching between dry and wet cleaning modes. Adjustable brush head angle: aligns to panel or glass surfaces to avoid dead corners during cleaning. Brush construction: nylon brush wire for effective scrubbing with an anodized aluminum alloy telescopic pole. Motor performance: cleaning brush speed 150 to 300 rpm, nominal 300 rpm with 60 cm diameter brush. Cleaning width: 600 mm per pass for efficient coverage. Operating temperature range: 10 to 40 C. Technical specifications Product name: Electric handheld roller brush Brush head size: 70 x 36 x 17 cm Brush head weight: 5.4 kg Brush material: nylon wire brush Rod material: aluminum alloy telescopic rod Cleaning method: dry cleaning or water washing Cleaning speed: 150300 rpm Cleaning width: 600 mm Working environment temperature: 10 to 40 C Telescopic rod options 3.5 m option Longest: 3.5 m (11.4 ft) Shortest: 1.32 m (4.3 ft) Sections: 3 Each section length: 123 mm 5.5 m option Longest: 5.5 m (18 ft) Shortest: 1.60 m (5.2 ft) Sections: 4 Each section length: 145 mm 7.5 m option Longest: 7.5 m (24.6 ft) Shortest: 1.66 m (5.4 ft) Sections: 5 Each 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 Practical use scenarios Solar arrays on rooftops and ground mounts: clean dust and grime to maintain even light exposure across panels using the adjustable head and water spray. Recreational vehicles and motorhomes: reach windows and awnings without scaffolding to remove road dirt and bird droppings. Storefront signs and billboards: clear surface dirt and streaks efficiently across wide signage with the 60 cm cleaning width. Why this tool solves common problems Extends reach safely and efficiently so operators do not need to rely on ladders for most jobs. Adjustable angle and a wide brush head minimize missed areas and reduce the need for repeated passes. Wet and dry modes let users tailor cleaning intensity to the level of soiling, from light dust to stubborn residues. Robust aluminum construction and nylon bristles balance durability and effective cleaning for outdoor surfaces. Compatible applications Solar panels, glass windows, RV glass, store signs, billboards, and other outdoor glass or smooth surfaces where a rotating brush and optional water supply are appropriate. Notes Select the telescopic rod length that matches your working height requirements. The device operates within the specified temperature range and with the provided power converter and rail pipe for water supply.