{"product_id":"ajax-curtain-outdoor-jeweller-dual-pir-narrow-angle-outdoor-motion-detector-white-9na","title":"Ajax Curtain Outdoor (Jeweller) – Dual-PIR Narrow-Angle Outdoor Motion Detector (White, 9NA)","description":"\u003ch4\u003eProduct Overview\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eAjax Curtain Outdoor Jeweller\u003c\/b\u003e (SKU: \u003cb\u003e101442.289.WH3\u003c\/b\u003e, 9NA region frequency) is a specialized narrow-angle outdoor wireless motion detector designed to create an invisible infrared curtain barrier around property perimeters. Engineered to protect building facades, windows, doors, garage entrances, and perimeter fence lines, it detects intruders crossing the boundary while allowing people and pets to move freely inside or outside the protected perimeter without triggering false alarms.\u003c\/p\u003e\n\u003cp\u003eFeaturing a dual optical system with two independent PIR sensors and proprietary \u003cb\u003eDualCurtain \/ ELSA\u003c\/b\u003e correlation processing algorithms, it filters out thermal disturbances, swaying trees, and domestic animals. Communicating over the secure \u003cb\u003eJeweller\u003c\/b\u003e encrypted radio protocol up to \u003cb\u003e\u003cspan class=\"math-inline\"\u003e1,700 meters\u003c\/span\u003e\u003c\/b\u003e (\u003cspan class=\"math-inline\"\u003e5,500 ft\u003c\/span\u003e) in open space, Curtain Outdoor delivers instant \u003cspan class=\"math-inline\"\u003e0.15 s\u003c\/span\u003e alarm signaling, Grade 3 active anti-masking protection, an \u003cb\u003eIP55\u003c\/b\u003e weather-resistant enclosure, and up to \u003cb\u003e3 years of autonomous battery life\u003c\/b\u003e on pre-installed CR123A lithium batteries in a clean matte white finish.\u003c\/p\u003e\n\u003ch4\u003eKey System Features \u0026amp; Functionality\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eNarrow Curtain Detection Optical System:\u003c\/b\u003e Focused \u003cspan class=\"math-inline\"\u003e6°\u003c\/span\u003e horizontal and \u003cspan class=\"math-inline\"\u003e90°\u003c\/span\u003e vertical detection beam creates an impenetrable perimeter curtain line up to \u003cb\u003e\u003cspan class=\"math-inline\"\u003e12 meters\u003c\/span\u003e\u003c\/b\u003e (\u003cspan class=\"math-inline\"\u003e40 ft\u003c\/span\u003e) long.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual PIR Sensors with ELSA Processing:\u003c\/b\u003e Digital correlation algorithm compares signals from both optical sensors simultaneously to distinguish real intruders from pets, swaying foliage, or thermal drafts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eGrade 3 Active Anti-Masking System:\u003c\/b\u003e Continuously monitors for attempts to block, paint over, tape, or spray the optical lenses, triggering an immediate sabotage alarm to the CMS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eIP55 Weatherproof Architecture:\u003c\/b\u003e Sealed, UV-resistant housing with integrated protective hood operates reliably against driving rain, snow, dust, and direct sunlight from \u003cspan class=\"math-inline\"\u003e-25°C to +60°C\u003c\/span\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEncrypted Jeweller RF Link:\u003c\/b\u003e Two-way encrypted radio communication operating up to \u003cspan class=\"math-inline\"\u003e1,700 meters\u003c\/span\u003e (\u003cspan class=\"math-inline\"\u003e5,500° ft\u003c\/span\u003e) open-space with anti-jamming frequency hopping.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLong Autonomous Battery Operation:\u003c\/b\u003e Powered by two pre-installed CR123A lithium batteries delivering up to 3 years of maintenance-free perimeter security.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSabotage \u0026amp; Tamper Defense:\u003c\/b\u003e SmartBracket mounting base includes an integrated tamper switch that reports unlatching or dismounting immediately to the Ajax app and CMS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AJAX","offers":[{"title":"Default Title","offer_id":52900009705783,"sku":"101442.289.WH3","price":240.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/7790\/6743\/files\/500_2_35feac0d-52ba-4570-9cee-f34167a4ba61.png?v=1787761134","url":"https:\/\/shop.gvs-usa.com\/products\/ajax-curtain-outdoor-jeweller-dual-pir-narrow-angle-outdoor-motion-detector-white-9na","provider":"gvsusa","version":"1.0","type":"link"}