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Telescope Specifications:
8X21 focusing telescope.
Effective observation distance: 8m～1200m.
Resolution: 166/1000 meters.
Field of view: 7.5°.
Accurately directional listening distance: 200 meters in a quiet outdoor environment.
Volume adjustment: adjustable.
Sound frequency range: 50～20000Hz.
Waveform distortion: less than 5%.
Sensitivity: -68～-50dB.
Recording: solid-state recording time is 18 seconds.
Replay: The replay accuracy of solid-state recording is ≥0.5%.
Material: ABS plastic
Size: app.275x180mm/10.83x7.09in
Color: Black
Quantity: 1set
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