Wall Microphone Voice Listening Device for Engineer Water Leakage Oil Leaking Hearing for Repair

Features:

Ear listen Through Wall Device Bug Eavesdropping Wall Microphone Voice Bug.

High-sensitivity detection of the sound of walls, windows, doors or armor plates, with earphones attached, the sound quality is clear.

Easy to operate, close to the door, window, wall, adjust the volume, until you hear a clear sound, you can easily listen to all sounds in one step.

Specifications:

Measuring Range: Within 1m/3.28ft

Measurement Object: Underground Pipe Hide in The Wall

Working Temperature: -10℃~50℃

Power Supply: Built-In Lithium Battery

Packing Size: 150 X 95 X 43mm/5.91 X 3.74 X 1.69"

How to use:

1) Clockwise turn the master switch to start the device

2) Adjust the volume until you hear the sound clearly

Package Included:

1 X Wall Microphone

1 X Headphone

1 X Charging Cable

Packing Safely in Retail Box.