Features 1Built in Sensing Coil: The underground pipeline handheld detector is equipped with a built in sensing coil, can receive magnetic signals from the pipe, the coil generates an induced current to calculate the direction and position of the transmitter. 2Wide Application: The underground pipe locator is suitable for water supply pipes, cable pipes, underground construction, cave exploration, underwater research, and more. Use it for efficient exploration work. 3LED Screen Display: The water supply pipe locator comes with an LED screen, providing clear and convenient monitoring data. Enhance your exploration experience with this practical feature. 4High Accuracy: The 512Hz transmitter allows easy determination of probe location. The receiver features a separated tilt sensor to obtain peak and zero signals, ensuring effective exploration. 5Sturdy Construction: Made from premium ABS material, the pipeline blockage locator is sturdy and water resistant, suitable for underwater measurements, ensuring long lasting use. Specifications Item Type: Underground Pipe Locator Working Frequency: 512Hz Modulation: None Battery: 6 x AA Batteries (Not Included) Usage Time: 4 Hours Intermittent Use Sound Output: 50-1000Hz Depending on Signal Strength Operating Temperature: -20 to 60 Assembled Length: Approx. 535mm / 21.06in Sensor: Separation angle sensor for peak and zero signal acquisition Weight: Approx. 1805.00g / 63.67oz Package List 1 x Detector 1 x Detector Accessories 1 x User Manual 1 x Earphone 1 x Aluminum Case