HY929 High Strength Wall Microphone Voice Bug Listen Detector Metal Wall Device for Pipe Leakage

The dual-probe design can be switched according to the actual situation, including the circular probe and the needle probe.
With an adjustable sound level and the rechargeable built-in battery, the product is convenient to use.
Made of the premium ABS and metal material, the product is durable, sturdy, and portable.
The length of the product is 6cm, the width is 4cm, and the height is 2cm.
It can be widely used for leak detection of various construction pipelines, such as water pipe, cement pipe, steel pipe, etc.
Item Name: Listen Detector
Material: ABS,Metal
Sensitivity: Probe -10D db
Battery Capacity: 300mAh(Included)
Audio: Maximum Audio Magnification 20000X
Current Consumption: 10mA
Battery Voltage: 3.7V
Answering Method: Earphone/16Ω Speaker
Size Details:
6cmx4cmx2cm/2.36"x1.57"x0.79"(Approx.)
Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension differences due to different manual measurements.
Instructions:
Plug the circular probe or needle probe into the audio input jack.
Plug the headphone into the audio output jack.
The red light is on when charging, and the red light is off when fully charged.
Package Includes:
1 x Detector
1 x Circular Probe
1 x Needle Probe
1 x Power Cord
1 x Plug
1 x User Manual
1 x Headphone