Birds Listening Telescope, Parabolic Dish Directional

Capture clear audio with our Parabolic Dish Directional Microphone. Equipped with a recording function, frequency knob, and 8x magnification, adjust object sharpness and reduce environmental noise for optimal sound. Perfect for outdoor recordings and wildlife observation. Specifications: 8X21 focusing telescope. Effective observation distance: HD 8 meters . 1200 meters. Material: optical glass lens, surfaces coated with transmittance enhancement film and broadband film. Resolution: 166/1000 meters. Field of view: 7.5 . Accurate directional listening distance: 200 meters in the field quiet environment. Volume adjustment: adjustable. Return frequency range: 50 . 20000Hz. Waveform distortion: less than 5%. Sensitivity: -68 . -50dB. Recording: Solid-state recording time 18 seconds. Replay: solid-state recording playback accuracy ≥ 0.5%. Transcription: Through the transcription lines, the recording can be transcribed to a computer, recorder or other audio equipment. Energy consumption: switching circuit low energy consumption design, no power consumption when not in use. Use more than 6 hours. Power supply: A 9V square battery (not included) Host appearance: internal and external structural components using ABS, the surfaces of the rubber non-slip spray paint. Audio: waveform distortion is less than 0.8%. Special high-fidelity earplugs for bird-listening instrument, clear sound quality reproduction and better noise isolation. List: 1x Host 1x sound collection disk 1x English manual