WORKING PRINCIPLE--- This easy to assemble underwater cleaner is simply powered by water pressure from a garden hose (not included). The water from the hose enters the vacuum and creates a suction effect. It could work well for quickly picking up leaves in the pool.EASY TO USE --- It is designed with 5-section poles, and a cleaning mesh bag. Unique design, easy to clean and carry. Ideal for cleaning swimming pools, spas, hot tubs, ponds and fountains, etc. Water saving, no need to drain the pool to clean. APPLICATION --- The pool vacuum works well for quick pick up points in the pool and in small bodies of water like swimming pools above ground, splash pools, ponds, fountains, spas and water features. Lightweight and portable pool vacuum, easy to carry and simple to design, providing much convenience for your life Tips : NO BRUSH INCLUDED.