This window cleaning brush allows you to clean high windows quickly and safely from the ground, eliminating the need for ladders. It is a fully scalable water column cleaning system that can be connected to a water system or garden hose. The functional water spray brush is designed for cleaning at high altitudes. Constructed from high-density upgraded aluminum alloy, it offers high hardness, is not prone to rust, and is lightweight, ensuring it remains straight even when extended to 10 meters. The fixed steel buckle enables easy installation and disassembly. The joint design is compatible with various cleaning tools to facilitate high-level cleaning operations. It features braided copper swivels for enhanced maneuverability, and the brush head rotates freely, making it suitable for large surfaces such as ships. The package includes one water brush.