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Audio Ear Listening Device Through Wall Voice Max 71% OFF Amplifier depot Engineer

Audio Ear Listening Device Through Wall Voice Amplifier Engineer

$9

Audio Ear Listening Device Through Wall Voice Amplifier Engineer

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Product description

Description
Listening device through wall is widely used for pipeline side leakage,floor heating detection, physical exploration for water, suitable for various pipeline materials and ground, wall, etc. The high-sensitivity metal probe with earphones makes it more sensitive and sound-qualified. It is easy to operate,you can get the sound out from the wooden/brick wall, window, door or armor plate.
Features
Voice listening device
-Color: Black.
-Material: Plastic.
-Size: About 4.3x3.6 cm/1.69x1.42 inch.
Specification:
1. Cunsumption current:10mA
2. Usage battery:9v batteries
3. Four sections audioes choicde
A section 200Hz
B section 800Hz
C section 1200Hz
D section 2000Hz
4. Measuring element sensitivity: -70db
5. Highest audio enlargement multiple: 20000X
6. Penetrate ability: Cement wall,steel wall,wood wall,Iron wall,glass,cavity brick
7. Monitor style:Earphone, can outside meet speaker
8. Record style:Have export hole can outside meet record
9. Working temperature: -20 -50

1 * Listening Device Through Wall
1 * Earphone
1 * USB Cable

Audio Ear Listening Device Through Wall Voice Amplifier Engineer