HY929 Standalone Pipe Water Leakage Detector Hear Through Wall High Strength Water Pipe Leakage Detector for Repair

Work on wooden walls, doors, windows, steel plates, etc.
Suiable for kinds of construction pipeline leakage detection.
You Can adjust the sound size; Switch the two probes according to the field situation, including probe and feeler.
The audio gadget works by amplifying the vibration of audio. When people chat in the room, their voice is only a band, and according to the size of the voice they speak, the band will travel through short and long distances and be amplified and amplified by this device.
Highly sensitive, please adjust the audio slowly and carefully to avoid discomfort to your earbuds.

Instructions for use:
1. Insert the probe or feeler into the audio input jack
2. Insert the earphone into the audio output jack
3. The red light is on when charging; Full charge, red light goes out.
Colour:black
Material:Metal