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The theory:

The device can automatic play the sounds of fowls and beasts to drive away birds and animal (such as birds,boars,cats,dogs,etc.) via function adjust switch according to different environmental needs.

Applicability:

Sounds Bird Repellent: suitable environment garden,yard,farms,orchard and so on.

Technical data:

1.Power Supply: 4*D (R20) batteries

2.Passive infrared area: about 70 square meters

3.Passive infrared degree: 110 degree

4.Output sound pressure : 110 dB

5.Output power: 2.5W

Specifications :

Sounds Bird Repellent has two work patterns for your choice, one pattern is automatic work ,the other pattern is passive infrared automatic trigger.

Mode one (Adjusting switch to the ‘auto’ refer to the photo ) automatic work: Play the sounds continued 30 seconds each 30 minutes,work 24 hours.in this state the passive infrared is not work.

Mode two (Adjusting switch to the ‘PIR’ refer to the photo) passive infrared trigger work: when the animal enter into passive infrared area,the device will play the sounds continued 30 seconds,and 5 seconds later will detect again.The device have the special light-operate function, can automatic identificatien the dark-and-light,in the night it will automatic turn of the power and not influence the people rest.( in PIR mode that fuction can work)

Attention:

1.The base of the top shall be exposed to the outside, according to the terrain varies ensure the water does not exceed the save line.

2.When the sounds become weak,please change the batteries in time.