Feature 1This pipe clogging detector will quickly locator the blockage position with great accuracy. 2Long detecting range together with low consumption will meet your various detecting needs. 3Simple operation can be completed within one hand, and the performance is stable and reliable. 4Made of high quality ABS material, the corrosion and oxidation resistant, durable for long use. 5Small size and light weight make the carrying and storage easier and more convenient. Item Type: Line Blockage DetectorProduct Material: ABSBattery Model: G6F22Number of Battery Cells: 2Battery Type: Lithium Battery (shipped without battery) Package List 1 x Line Blockage Detector1 x Receiver1 x User Manual7 x Probe7 x Heat Shrink Tubing7 x Protector7 x FixingRing7 x Watch Case HolderNote1. After the using of detector is finished, the power must be turned off immediately.2. After finding the blockage position, please pull the lead wire out of the tube and place it in a reliable and safe place before removing the groove.3. When used to detect iron pipes, the detection distance is slightly reduced, but it does not affect the use.