Ear Amplifier Wall Sound Amplifier Bug Wall Listening Device Wiretaps Amplifier Audio Listening Ampl

??? Feature:
1. High-sensitivity detection of the sound of walls, windows, doors or armor plates, with earphones attached, the sound quality is clear. 2. 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.
Specification:
Measuring Range: Within 1m/3.28ft Measurement Object: Underground Pipe Hide in The Wall Working Temperature: -10a??~50a?? Power Supply: Built-In Lithium Battery Packing Size: 150 X 95 X 43mm/5.91 X 3.74 X 1.69
Package Included:

1 x The Ear Listens?
1 x Data cable?
1 x Headphone 1 x Manual?