Retractable Water Sampling Dipper: The telescopic pole adjusts in length for customizable reach, allowing access to difficult areas without bending or approaching water edges closely. Flexible Rotation: The measuring cylinder rotates freely to keep the opening upward during movement, preventing liquid spills and accommodating common natural liquid temperatures. 500ml Capacity & Scale: Features a 1000ml beaker with internal milliliter scale and a pouring spout, facilitating easy collection and analysis of liquids for research purposes. Wide Range of Application: Suitable for overhead fruit picking, plant watering, laboratory analysis, and use in ponds, wells, cellars, swimming pools, and other hard-to-reach locations. Easy to Install & Use: Disassembles and assembles simply for portability, enabling efficient collection of liquid, suspension, and powder samples without disturbing the test environment.