1. Multi-function: The bird watching device has functions such as telescope, real-time monitoring, FM, and recording. 2. Telephoto function: 8x optical telescope, you can rotate the focus button to adjust the brightness of the object, so that you can enlarge the viewing angle accordingly. 3. Long-term listening: With the sound detection system, you can hear sounds 100 meters or more away. With a magnification of eight times, you can observe nearly eight times as many birds or other wildlife. 4. Cushioned Headphones: Cushioned headphones are available to reduce background noise. 5. Frequency conversion control: Reduce unnecessary noise. Just adjust the frequency regulator to your satisfaction. Specifications: Name: 8×21 focal length lens barrel. Effective observation distance: HD 8m~1200m. Material: Optical glass lens with anti-reflective coating and broadband surface coating Resolution: 166/1000 meters. Field of view: 7.5. Fine-tuning the listening distance: 200 meters in a quiet outdoor environment. Volume control: adjustable. Audio range: 50 to 20,000 Hz. Waveform distortion: less than 5%. Sensitivity: -68～-50dB. Voltage: solid recording time 18 seconds. Playback: The playback accuracy of solid-state recording is 0.5%. Transcription: The transcription line can transcribe the recording to a computer, voice recorder or other audio device. Power consumption: Low power consumption circuit, no power consumption when not in use. Can be used for more than 6 hours. Power supply: 9 V prismatic battery (not included) Scope of delivery: 1 x main unit, 1 x drilled plate. 1 English user manual. ",
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