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$80 · Ultrasonic Bat detector/listener

Price reduced again, was $95
Ultrasonic Bat detector/listener

This detector can be used to listen to a variety of sounds
produced beyond the range of human hearing. ie.: Bats, some insects, animals,
air leaks(tires, air mattresses, air lines) power line arcing, are just a
few of the high freq. sounds it will detect.
This is a Heterodyne type detector. It is fine tunable, making it
easy to adjust for different frequencies of interest.
The supplied sensor has a peak response at 40Khz.

Speaker, earphones, or both.(earphones not included)
Adaptor jack for 9 volt dc input (adaptor not included).
Ultrasonic transducer (40Khz.)
10 turn fine tuning (frequency adjust)
ON/OFF volume control.
9 battery included.

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Ad Id36009554
PostedJune 30, 2020
Expiry September 28, 2020
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