Description:
HY929 High Strength Wall Microphone Voice Listen Detector for Engineer Water Leakage Oil Leaking Hearing for Repair
Works on wooden walls, doors, windows, steel , etc.
Highly Sensitive, carefully adjust audio slowly, to cause discomfort to your earbuds.
This audio by amplifying the vibrations of audio.
When people are talking in their voices are waveband, and depending on how loud they are talking, the waveband travels long distances which are picked up and
amplified by this device.
The volume of adjusted, including probes, probes, built in batteries, etc., which can be used repeatedly. This product is being sold investigative tools for law
enforcement or licensed investigators
Specification:
Model: HY929
Material: ABS Metal
Current Consumption: 10mA
Battery: Lithium battery 3.7V batteries
Probe Sensitivity: 10 db
Maximum Audio Magnification: 20000X
Answering method: Headphones ohm speakers
Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.