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Professional Stethoscope
Problem: a room conversation must be heard or recorded Normal devices cannot be used because there is no entrance in the room.
Other options:
The air holes from walls, radiators, windows etc… can also be used for receiving so called conversations or noise.
This Stethoscope can be used in places where the human ear cannot hear any sound. It allows to work in places unable to come for people. The smallest sound can be detected and can be increase in volume at any time. Thanks to the built-in amplification sound are very strong and clear.
Features:
- Windows
- Walls, concrete or wood
- Ledges
- Ceilings
Technical data:
Frequency: 200 Hz - 16 000 Hz Power: 40 000 f Power Supply: 9V Block-Battery, Alkaline Consume Current: 10 mA Operating time. 150 hours Weight: 80 gr. Earphone out: 3,5mm stereo Audio Input Size: 95x44x20mm;
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