Shenzhen Senba Optical Electronic Co., Ltd [China]

Cheap optical fresnel lens 
Fresnel lens arrays designed for passive infrared sensor.the The optical surfaces are increases lens sensitivity for PIR SENSOR applications. 

Specification: 
1.Detectable distance:8m 
2.Focal length:19mm 
3.Overall size:46mm 
4.Viewing angle:120degree 
5.Lens size:34mm 

Features: 
Designed for passive infrared sensor applications 
Well suited for compact, low profile sensors 
Can be used in applications involving security, lighting controls and environmental controls 
Optimized for dual element pyroelectric devices 
White light immunity to reduce false triggers 
UV resistant for outdoor applications 
Designed for uniform sensitivity to reduce electronic gain

Optional Information
- Payment : TT, Western Union
- Delivery : 3 working days
- Origin : China
- Minimum Order : 1000pcs
- Packaging : 4000pcs/pack