HIGH QUALITY MATERIALS: This line blockage detector is made of high quality abs material, the and oxidation resistant, for long use. EASY TO CARRY: This portable plugging detecting tool has small size and light weight make the carrying and storage easier and more convenient. EASY Simple can be completed within one hand, and the performance is stable and RAPID POSITIONING: This pipe clogging detector will quickly locator the blockage position with great accuracy. MEET DEMAND: This pipe clogging detector has a long detecting range together with low consumption will meet your various detecting needs.