Features adjustable sensitivity control for blockage pinpointing, 20 / 30 / 40 meter detection ranges, and long working time from its 2600mAh rechargeable battery via USB C compatibility Ideal for plumbers, construction technicians, and enthusiasts requiring pipeline inspection during renovation projects or maintenance operations Perfect for detecting embedded pipes behind wall, troubleshooting drainage systems, and ensuring safe drilling in residential / commercial construction site Complete set includes probe accessories for multi surfaces detection, noise isolating headphones for clear signals alerts, and a portable storage bag for organized fieldwork Professional Pipe Blockage Detector with IP67 Waterproof Probe Accurately locates hidden obstructions in metal pipes, PVC conduits, and water lines while maintaining durability in wet environments, Manufacturer: KAHDGSS