/ Convenient to UseThis pipe locator underground locators boasts a highly sensitive probe designed for PVC pipes, water pipes, and wall nails. Users have the ability to adjust the pipe locators sensitivity, enabling precise identification of the precise clog location. The maximum margin of error is a mere 0.5 inches Actual measurement Equipped with a 100foot30meter signal line, it uses the principle of electromagnetic induction and can detect nonmetallic pipes within 040 cm and metal pipes within 015 cm; USB charging, builtin lithium battery; Durable MaterialFeaturing a waterproof probe crafted from robust ABS material, this pipe detector undergoes rigorous testing to ensure it remains impervious to scratches, corrosion, high temperatures, and high pressures. Rest assured, it possesses the necessary sturdility to handle a wide array of scenarios with ease. Purchase Reminder Keep in mind that the presence of metallic materials could potentially disrupt the signal of the pipe locator. Please purchase according to your specific needs and use case scenario. For any inquiries, please feel free to contact us, and we will provide prompt assistance. Package includes Pipe blockage transmitter x1; Pipe blockage receiver x1; USB charging cable x2; Headphones x1; Probe accessories x8; Manual user x1; Storage bag x1