Brand:Senba
MOQ:1000
Quantity:80
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Cheap optical fresnel lens
Fresnel lens arrays designed for passive infrared sensor.the Theoptical surfaces are increases lens sensitivity for PIR SENSORapplications.
Features:
1.Detectable distance:8m
2.Focal length:19mm
3.Overall size:46mm
4.Viewing angle:120degree
5.Lens size:34mm
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