Partners: A.L. Gaskill-Jones BA (hons) | A.M. Gaskill BA (hons) | M.I. Gaskill | P.J. Gaskill
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By using a special ceramic microphone this unit actually turns the surface being penetrated into a microphone allowing the user to hear sounds and conversation made on the other side of a wall. Earphones are included and the amplifier has the facility to be connected to a recorder. It has the capacity to listen through 30cm of concrete! Ceramic. Power: 9V Battery |
