Optical PIR Human body Infrared Induction Fresnel Lens Focal Length Far Sensing Distance 10PCS
Optical HDPE Long Distance human body induction Infrared Fresnel Lens
Model Name: 7709-8 Size: 26mm*17.1mm Focal Length: 11.5mm Sensing Angel: 120° Sensing Distance: 12meters Material: Optical HDPE
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