This heterodyne detector makes an ideal economical introduction to bat detecting. The large frequency dial has top illumination and evenly spaced frequency markings for ease of use. Specially contoured microphone housing provides enhanced high frequency sensitivity. Easy operation with one hand. Built-in LED torch, low-distortion loudspeaker, headphone socket, line-out (recording) socket. 4 AAA alkaline batteries included. 2-year manufacturer guarantee.
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