Features: 1. Easy to control, clean within 4.5M. 2. Adopting a locking buckle structure, the length of the telescopic rod can be adjusted arbitrarily, and it can be easily cleaned from the foot to the top. The vertical photovoltaic panel array can clean about 4 rows. 3.Special fiber bristles with a diameter of 0.26 mm Specification: Name: Photovoltaic Cleaning Brush Sections: 4 Maximum Extended Size: 4.8m/15.7ft Min shrink size: 1.49m/4.8ft Material: aluminum alloy Packing list: Telescopic rod*1 Photovoltaic special brush *1 Hose*1 Faucet universal connector*1 Water flow control valve*1 Notes: 1. Due to manual measurement, please allow 2-3cm deviation. Thank you for your understanding. 2. Different monitors are calibrated differently, the color of the item shown in the photo may be slightly different from the actual item. Please refer to the actual product.?Customer Satisfaction?Your satisfaction is our top priority! If you have any questions about our products, please contact us and we will be happy to serve you within 24 hours. ?Wide Application?Suitable for high-altitude window cleaning, solar photovoltaic panel cleaning, cleaning cars, trucks, vans, caravans, windows, greenhouses, boats, decks, etc. ?Adjustable Pole?Its telescoping handle can adjust the length of the broom while cleaning, making it perfect for reaching high places or hard-to-reach places. Plus, its ergonomic design makes it comfortable to hold for long periods of time, making it the tool for cleaning large surfaces. ?Preferred Material?High-density reinforced aluminum alloy, high hardness, not easy to rust, light weight. Very durable and soft feather bristles ensure safe cleaning of surfaces. ?Lightweight and stable?The photovoltaic cleaning device adopts a lightweight design, which reduces noise and facilitates cleaning. It is lightweight and portable, eliminating the inconvenience of carrying heavy equipment.