CHICIRIS Parabolic Microphone Bird Monocular, 8X Outdoor Bird Listening Device Long Range Sound Amplifier for Observing Hearing, 650 Feet

Consumption: Birdwatching recording tool has a switch circuit low energy consumption design, please take off the battery when not in use
2. Clear Sound Quality: Bird watching instrument’s headphone waveform distortion is less than 0.6%, the sound quality is clear and well restored

Specification:
Item Type: BirdWatchingInstrument
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 Alkaline Battery or Carbon Battery. (shipped without batteries)
Telescope:
Effective Observation Distance: 5meters/5.5yd to Unlimitedness
Telescope Specifications: 8×21 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

Batteryinstallation:
1.Usearectangular9Valkalinebatteryorcarbonbattery
2.Useascrewdriver,loosenthescrewandopenthebatterycover
3.insertanew9Vbattery,connectthebatterypositiveandnegative,donotconnectthereverse.Thedirectionofthebatteryinstallationisunique
4.Closethebatterycoverandtightenthescrew

Package List:
1 x Bird Watching Instrument Host
1 x Headphones
1 x Sound