【Underground Pipes Water Leak Detector】 Underground pipe leak detector for home and outdoor use, our detection depth exceeds 3m, mainly used to find and determine leak points in water supply pipes, easily detect water pipe leaks! 【Groundwater Leakage Sensor】 The sound range of the product is divided into high, medium and low, which can be controlled in detail through the knob. The screen displays a sound level graph to aid your detection. 【4 frequency modes】Frequency is divided into levels 1 to 4, continuously adjustable from 200Hz to 3000Hz. The appropriate frequency can be selected according to the specific environment. 【Widely】It is the newly updated and multi-functional water leak detector, it is applied to different detecting leakage of outdoor water pipe, fire pipe, heating system, indoor water pipe, and underground heating floor pipe. 【Set includes】: Contents: 1. Portable packaging box 2. Headphones 3. Testing host 4. Silencer handle switch 5. Probes (3 pieces) 6. Host strap 7. Host backpack 8. Charger 9. Instruction manual, Manufacturer: CCChosmo