{"product_id":"sb-ls-04-fresnel-lens-9mm-120-8m-hdpe-pir-sensor-optical-lens-mid-range-motion-detection-lens-senba","title":"SB-LS-04 Fresnel Lens 9mm 120° 8m HDPE PIR Sensor Optical Lens | Mid-Range Motion Detection Lens | SENBA","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69f587ce-b43c-8324-bddd-d5bdce83fa3b-62\" data-testid=\"conversation-turn-292\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"29d82152-9b5e-4684-8956-6e46f79f6b58\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word dark markdown-new-styling\"\u003e\n\u003cp data-start=\"125\" data-end=\"503\"\u003eThe SB-LS-04 Fresnel Lens from SENBA is a high-quality optical component designed for passive infrared (PIR) motion detection systems requiring stable mid-range sensing performance. Manufactured from durable HDPE material, it ensures excellent infrared transmission efficiency, mechanical strength, and long-term reliability in smart sensing applications.\u003c\/p\u003e\n\u003cp data-start=\"505\" data-end=\"1001\"\u003eThis Fresnel lens is optimized to enhance PIR sensor accuracy by focusing infrared radiation into multiple detection zones, improving sensitivity and motion detection stability. It provides a wide 120° detection angle with an effective sensing distance of up to 8 meters, making it suitable for mid-range motion detection applications in smart lighting, security systems, and automation devices. The multi-zone optical design helps reduce blind spots and ensures consistent detection performance.\u003c\/p\u003e\n\u003cp data-start=\"1003\" data-end=\"1288\"\u003eWith a compact 9mm form factor, the SB-LS-04 lens is easy to integrate into modern PIR modules and electronic devices where both performance and space efficiency are required. The HDPE material provides strong environmental resistance, stable optical properties, and long service life.\u003c\/p\u003e\n\u003cp data-start=\"1290\" data-end=\"1489\"\u003eCompared to standard Fresnel lenses, the SB-LS-04 delivers improved detection balance, enhanced infrared focusing capability, and reliable motion sensing performance for a wide range of applications.\u003c\/p\u003e\n\u003cp data-start=\"1491\" data-end=\"1510\"\u003e\u003cstrong data-start=\"1491\" data-end=\"1508\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1511\" data-end=\"1773\"\u003e\n\u003cli data-section-id=\"1ol21nr\" data-start=\"1511\" data-end=\"1553\"\u003eHigh-efficiency Fresnel optical design\u003c\/li\u003e\n\u003cli data-section-id=\"h19y5c\" data-start=\"1554\" data-end=\"1584\"\u003eWide detection angle: 120°\u003c\/li\u003e\n\u003cli data-section-id=\"1qoq149\" data-start=\"1585\" data-end=\"1631\"\u003eEffective sensing distance: up to 8 meters\u003c\/li\u003e\n\u003cli data-section-id=\"2010ry\" data-start=\"1632\" data-end=\"1670\"\u003eDurable HDPE material construction\u003c\/li\u003e\n\u003cli data-section-id=\"1ylzg87\" data-start=\"1671\" data-end=\"1696\"\u003eCompact 9mm lens size\u003c\/li\u003e\n\u003cli data-section-id=\"6ipchf\" data-start=\"1697\" data-end=\"1739\"\u003eEnhanced infrared focusing performance\u003c\/li\u003e\n\u003cli data-section-id=\"1kglqak\" data-start=\"1740\" data-end=\"1773\"\u003eStable PIR detection accuracy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1775\" data-end=\"1794\"\u003e\u003cstrong data-start=\"1775\" data-end=\"1792\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1795\" data-end=\"2001\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1795d0i\" data-start=\"1795\" data-end=\"1824\"\u003ePIR motion sensor modules\u003c\/li\u003e\n\u003cli data-section-id=\"1jo2455\" data-start=\"1825\" data-end=\"1851\"\u003eSmart lighting systems\u003c\/li\u003e\n\u003cli data-section-id=\"14ztufk\" data-start=\"1852\" data-end=\"1882\"\u003eSecurity and alarm systems\u003c\/li\u003e\n\u003cli data-section-id=\"1h99hiv\" data-start=\"1883\" data-end=\"1919\"\u003eEnergy-saving automation devices\u003c\/li\u003e\n\u003cli data-section-id=\"p0zvbi\" data-start=\"1920\" data-end=\"1955\"\u003eSmart home and IoT applications\u003c\/li\u003e\n\u003cli data-section-id=\"82ffgt\" data-start=\"1956\" data-end=\"2001\" data-is-last-node=\"\"\u003eIndoor and outdoor motion detection systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"SENBA","offers":[{"title":"Default Title","offer_id":43909311529025,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/Sensors_Transducers-01-01.png?v=1777530654","url":"https:\/\/hext.in\/products\/sb-ls-04-fresnel-lens-9mm-120-8m-hdpe-pir-sensor-optical-lens-mid-range-motion-detection-lens-senba","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}