Cheap Optical Fresnel Lens for PIR sensor application

Details :
Cheap optical fresnel lens Fresnel lens arrays designed for passive infrared sensor.the The optical surfaces are increases lens sensitivity for PIR SENSOR applications. We can produce Square, Round and Rectangle Fresnel Lens with various sizes. 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