Material: aluminum alloy Size: 3.6M, 5.4M, 7.2M Brush width: 30CM 11.8IN (4 water holes) 55CM 21.6IN (4 holes for water inlet) Water supply hose: 20M Areas of use: window cleaning, photovoltaic panel cleaning, bus exterior cleaning, large vehicles, trucks, lorries, caravans, boats 3 highlights Multifunctional water spray brush for high-altitude cleaning Ergonomic design Sponge anti-slip handle what's in the box Water brush 1 Switch 1 Water distributor 1 Faucet interface 1 Universal joint 1 (20m)Water pipe 1Service Guarantee:If you have any questions, please email us, we will reply you within 24 hours and provide you with service. Easy to ConnectThe hose connector can be easily connected to the garden hose using any hardware with a hose connector. Wide Range of Applications: Suitable for high-altitude window cleaning, solar photovoltaic panel cleaning, cleaning cars, trucks, vans, caravans, windows, greenhouses, boats, decks, etc. Window Telescopic Squeegee CleanerThis hydro-powered retractable brush is available in multiple lengths, and the pole length is adjustable so you can clean and scrub walls, window glass, roofs or photovoltaic panels above the ground. Ground level, safe, secure and convenient. [Window telescopic pole cleaning brush with 4 water outlets] The brush head of this telescopic pole cleaning brush has a 4 water outlet design, and water can flow from the hose to the brush head to rinse the window glass, cleaning more efficiently.