פרבוליות מיקרופון ביונית אוזן עבור טווח האזנה מכשיר, צפרות מכשיר טבע התבוננות והאזנה דיגיטלי מכשיר עבור מרחק האזנה

מאפיינים מוצהרים

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:

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

How to Use:

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 Collection Cover:

1 x Mirror Cloth:

1 x User Manual:

Note:

Shipped Without Battery: