1. Low Energy Consumption: Birdwatching recording tool has a switch circuit low energy consumption design, please take off the battery when not in use
2. Quality Material: The internal and external structural parts of the bird watching instrument is made of ABS engineering plastic, and the appearance is black with rubber anti slip paint
3. Clear Sound Quality: Bird watching instrument's headphone waveform distortion is less than 0.6%, the sound quality is clear and well restored
4. Lightweight and Compact: The small and compact body does not take up too much use space, which is convenient for storage and use
5. Holiday Gift: Bird watching instrument is suitable for adults, but can also be given to children who like to observe nature as a gift at Christmas, Thanksgiving

Spec:
Item Type: Bird Watching Instrument
Telescope Material: Optical Glass Lens
Product Size: Approx. 27.5 x 18.5 x 6.5cm / 10.8 x 7.3 x 2.6in
Power Supply: A 9V Alka line Battery or Carbon Battery. (shipped without batteries)
Telescope:
Effective Observation Distance: 5meters/5.5yd to Unlimitedness
Telescope Specifications: 8x21 Focusing Telescope
Resolution: 10 to 11in High Definition
Field of View: 7.5°
Directional Listening Distance: Field Quiet Environment 200meters/218.7yd, Eliminating Environmental Noise Processing
Volume Adjustment: Continuously Regulable
Return Sound Frequency Range: 20 to 20000Hz
Waveform Distortion: Less Than 4%
Sensitivity: -60 to -50dB
Select the Target Range, then Pull the Trigger to Hear the Amplified Sound. No Need to Install Sim Card and Sd Card, You Can Record 12 Seconds of Sound
Weight: Approx. 694g/24.5oz

Package List:
1 x Bird Watching Instrument Host
1 x Headphones
1 x Sound Collection Cover
1 x Mirror Cloth
1 x User Manual

Notice: