Vevor's pipe water leakage detector provides 1Hz-5000Hz wide frequency range and 6.6 ft. detection depth. Equipped with a high-sensitivity sensor, 3 listening rods, noise-cancelling headphones, and 7" LCD touchscreen for efficient leak detection. For hardened ground, simply place the sensor directly on the surface; for soft soil, screw the listening rod into the sensor, then insert the rod into the ground. This tool is equipped with a durable housing, 7" LCD color touchscreen, 8 GB SD card for data storage, and a sturdy carrying case for easy transport.