【Operating principle 】: Hand-held vacuum powered by water pressure from a garden hose. Water from the hose enters the suction inlet and creates a suction effect, then sucks debris, leaves, or sand directly into the mesh bag. Suction depends on your water pressure and the length of your garden hose. 【Portable pool vacuum 】: Keep your pool clean and fresh with this portable pool vacuum kit. It can be a good substitute for expensive robotic pool vacuums, with no electrical parts or batteries required, safer and more affordable. 【Improved design】Vacuum cleaner equipped with 4-section thickened upgraded aluminum alloy pool pole, the total length is 4.79ft after assembly, adopts buckle connection, longer and more sturdy. The quick hose connector is easy to connect to the water inlet and garden hose, will not fall off easily. The water inlet can be installed on the vacuum head stably, not easy to lose. 【Strong capture capacity 】: The denser mesh bag can be used to capture leaves, insects,