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Fresnel Lens: High sensitivity with a detection angle of 120°, enabling more accurate perception and response to human infrared radiation. Fresnel Lens: The Infrared Sensor adopts Fresnel lens with high sensitivity, can be detected at 160° and has a wide sensing range.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.