{"product_id":"ajax-dualcurtain-outdoor-jeweller","title":"Ajax DualCurtain Outdoor Jeweller – Bidirectional Perimeter Detector","description":"\u003cstyle\u003e\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@400;600;700;900\u0026family=Barlow:wght@400;500;600\u0026display=swap');\n\n  .prod-desc {\n    background-color: #FFFFFF;\n    color: #1A2840;\n    font-family: 'Barlow', sans-serif;\n    font-size: 15px;\n    line-height: 1.7;\n    margin: 0; padding: 0;\n  }\n  .prod-intro {\n    padding: 0 0 28px;\n    border-bottom: 1px solid #E8EEF8;\n    margin-bottom: 32px;\n  }\n  .prod-intro p { color: #4A6080; font-size: 16px; line-height: 1.75; margin: 0 0 12px; }\n  .prod-intro p:last-child { margin-bottom: 0; }\n  .prod-intro strong { color: #0A1020; }\n  .prod-label {\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 10px; font-weight: 700;\n    letter-spacing: 3px; text-transform: uppercase;\n    color: #0055EE; margin: 0 0 8px;\n  }\n  .prod-title {\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 22px; font-weight: 800;\n    color: #0A1020; text-transform: uppercase;\n    letter-spacing: 0.5px; margin: 0 0 14px;\n  }\n  .prod-divider {\n    height: 1px;\n    background: linear-gradient(90deg, #fff, #0055EE33, #fff);\n    border: none; margin: 28px 0;\n  }\n\n  \/* ── Dual optical system diagram ── *\/\n  .prod-dual {\n    display: grid;\n    grid-template-columns: 1fr auto 1fr;\n    gap: 12px;\n    align-items: center;\n    margin-bottom: 32px;\n    background: #F8FAFD;\n    border: 1px solid #E0EAF4;\n    border-radius: 14px;\n    padding: 20px;\n  }\n  .prod-dual-side {\n    text-align: center;\n    padding: 14px;\n    background: linear-gradient(135deg, #EAF2FF, #F4F8FF);\n    border: 1px solid #C8DCEE;\n    border-radius: 10px;\n  }\n  .prod-dual-side .ds-icon { font-size: 26px; display: block; margin-bottom: 8px; }\n  .prod-dual-side strong {\n    display: block;\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 13px; font-weight: 800;\n    color: #0A1020; text-transform: uppercase;\n    letter-spacing: 0.5px; margin-bottom: 4px;\n  }\n  .prod-dual-side span { font-size: 12px; color: #4A6080; line-height: 1.5; display: block; }\n  .prod-dual-center {\n    text-align: center;\n    padding: 0 8px;\n  }\n  .prod-dual-center .dc-device {\n    font-size: 32px; display: block; margin-bottom: 4px;\n  }\n  .prod-dual-center span {\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 10px; font-weight: 700;\n    color: #0055EE; text-transform: uppercase;\n    letter-spacing: 2px; display: block;\n  }\n\n  \/* ── ELSA callout ── *\/\n  .prod-elsa {\n    background: linear-gradient(135deg, #001428, #002a5a);\n    border-radius: 14px;\n    padding: 24px 28px;\n    margin-bottom: 32px;\n    display: flex;\n    gap: 18px;\n    align-items: flex-start;\n  }\n  .prod-elsa-icon {\n    flex-shrink: 0;\n    width: 48px; height: 48px;\n    border-radius: 12px;\n    background: linear-gradient(135deg, #0044CC, #0088FF);\n    display: flex; align-items: center; justify-content: center;\n    font-size: 22px;\n  }\n  .prod-elsa-body strong {\n    display: block;\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 16px; font-weight: 900;\n    color: #FFFFFF; text-transform: uppercase;\n    letter-spacing: 0.5px; margin-bottom: 6px;\n  }\n  .prod-elsa-body p { font-size: 13px; color: #7AAADD; margin: 0; line-height: 1.65; }\n  .prod-elsa-body p strong { color: #AAD4FF; display: inline; font-size: 13px; font-family: 'Barlow', sans-serif; text-transform: none; letter-spacing: 0; }\n\n  \/* ── Near Area Detection callout ── *\/\n  .prod-near {\n    background: linear-gradient(135deg, #EAF2FF, #F4F8FF);\n    border: 1px solid #C8DCEE;\n    border-left: 4px solid #0055EE;\n    border-radius: 0 12px 12px 0;\n    padding: 18px 22px;\n    margin-bottom: 32px;\n  }\n  .prod-near h4 {\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 15px; font-weight: 800;\n    color: #0A1020; text-transform: uppercase;\n    letter-spacing: 0.5px; margin: 0 0 8px;\n  }\n  .prod-near p { font-size: 13px; color: #4A6080; margin: 0; line-height: 1.7; }\n  .prod-near p strong { color: #0A1020; }\n\n  \/* ── Features grid ── *\/\n  .prod-features {\n    display: grid;\n    grid-template-columns: 1fr 1fr;\n    gap: 12px;\n    margin-bottom: 32px;\n  }\n  .prod-feature-item {\n    display: flex; align-items: flex-start; gap: 10px;\n    background: #F8FAFD; border: 1px solid #E0EAF4;\n    border-radius: 10px; padding: 12px 14px;\n  }\n  .prod-feature-item .fi-icon { flex-shrink: 0; font-size: 18px; line-height: 1.4; }\n  .prod-feature-item span { font-size: 13px; color: #334455; line-height: 1.5; }\n  .prod-feature-item strong {\n    display: block;\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 13px; font-weight: 700;\n    text-transform: uppercase; letter-spacing: 0.5px;\n    color: #0A1020; margin-bottom: 2px;\n  }\n\n  \/* ── Stat bar ── *\/\n  .prod-stat-row {\n    display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap;\n  }\n  .prod-stat {\n    flex: 1; min-width: 90px;\n    background: #F8FAFD; border: 1px solid #E0EAF4;\n    border-radius: 12px; padding: 16px; text-align: center;\n  }\n  .prod-stat .stat-num {\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 24px; font-weight: 900;\n    color: #0055EE; line-height: 1;\n    display: block; margin-bottom: 4px;\n  }\n  .prod-stat .stat-label {\n    font-size: 11px; color: #4A6080;\n    text-transform: uppercase; letter-spacing: 1px;\n    font-family: 'Barlow Condensed', sans-serif; font-weight: 600;\n  }\n\n  \/* ── vs Curtain Outdoor ── *\/\n  .prod-upgrade {\n    background: linear-gradient(135deg, #F8FAFD, #F0F6FF);\n    border: 1px solid #D8E4F0;\n    border-radius: 14px;\n    padding: 20px 24px;\n    margin-bottom: 32px;\n  }\n  .prod-upgrade h4 {\n    font-family: 'Barlow Condensed', sans-serif;\n    font-size: 15px; font-weight: 800;\n    color: #0A1020; text-transform: uppercase;\n    letter-spacing: 0.5px; margin: 0 0 12px;\n  }\n  .prod-upgrade-row {\n    display: grid; grid-template-columns: 1fr 1fr; gap: 10px;\n  }\n  .prod-upgrade-col { font-size: 13px; color: #4A6080; line-height: 1.7; }\n  .prod-upgrade-col strong { display: block; color: #0A1020; font-size: 12px; font-family: 'Barlow Condensed', sans-serif; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }\n  .prod-upgrade-col ul { margin: 0; padding-left: 16px; }\n  .prod-upgrade-col ul li { margin-bottom: 4px; }\n\n  \/* ── Use cases ── *\/\n  .prod-ideal { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }\n  .prod-ideal-pill {\n    display: inline-flex; align-items: center; gap: 6px;\n    background: linear-gradient(135deg, #EAF2FF, #DDF0FF);\n    border: 1px solid #0055EE33; border-radius: 50px; padding: 7px 16px;\n    font-family: 'Barlow Condensed', sans-serif; font-size: 13px;\n    font-weight: 700; letter-spacing: 0.5px;\n    color: #0044CC; text-transform: uppercase;\n  }\n\n  .prod-ajax-banner {\n    background: linear-gradient(135deg, #EAF2FF, #F4F8FF);\n    border: 1px solid #C8DCEE; border-left: 4px solid #0055EE;\n    border-radius: 0 12px 12px 0; padding: 16px 20px;\n    display: flex; align-items: center; gap: 16px; text-decoration: none;\n  }\n  .prod-ajax-banner:hover { background: linear-gradient(135deg, #DDF0FF, #EAF6FF); }\n  .prod-ajax-banner-icon {\n    flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px;\n    background: linear-gradient(135deg, #0044CC, #0088FF);\n    display: flex; align-items: center; justify-content: center; font-size: 18px;\n  }\n  .prod-ajax-banner-text strong {\n    display: block; font-family: 'Barlow Condensed', sans-serif;\n    font-size: 15px; font-weight: 800;\n    color: #0A1020; text-transform: uppercase; letter-spacing: 0.5px;\n  }\n  .prod-ajax-banner-text span { font-size: 13px; color: #4A6080; }\n  .prod-ajax-banner-arrow { margin-left: auto; font-size: 18px; color: #0055EE; font-weight: 700; }\n\n  @media (max-width: 480px) {\n    .prod-features { grid-template-columns: 1fr; }\n    .prod-dual { grid-template-columns: 1fr; }\n    .prod-upgrade-row { grid-template-columns: 1fr; }\n    .prod-elsa { flex-direction: column; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"prod-desc\"\u003e\n\n  \u003c!-- INTRO --\u003e\n  \u003cdiv class=\"prod-intro\"\u003e\n    \u003cp\u003eThe Ajax DualCurtain Outdoor Jeweller is a wireless bidirectional perimeter detector with two independent optical systems facing opposite directions — covering up to 98 ft of detection zone from a single mounting point, with no blind spots.\u003c\/p\u003e\n    \u003cp\u003e\u003cstrong\u003eOne device. Two directions. Zero blind spots.\u003c\/strong\u003e The ELSA algorithm and patented Near Area Detection ensure every inch of your perimeter is covered — including the zone directly in front of the detector that other curtain detectors miss.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- DUAL OPTICAL SYSTEM VISUAL --\u003e\n  \u003cp class=\"prod-label\"\u003eHow It Works\u003c\/p\u003e\n  \u003cp class=\"prod-title\"\u003eBidirectional Coverage\u003c\/p\u003e\n\n  \u003cdiv class=\"prod-dual\"\u003e\n    \u003cdiv class=\"prod-dual-side\"\u003e\n      \u003cspan class=\"ds-icon\"\u003e←🔎\u003c\/span\u003e\n      \u003cstrong\u003eLeft Optical System\u003c\/strong\u003e\n      \u003cspan\u003e2 PIR sensors, narrow viewing sector, up to 49 ft detection range — independently adjustable\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-dual-center\"\u003e\n      \u003cspan class=\"dc-device\"\u003e🚫\u003c\/span\u003e\n      \u003cspan\u003eDevice Body\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-dual-side\"\u003e\n      \u003cspan class=\"ds-icon\"\u003e🔎→\u003c\/span\u003e\n      \u003cstrong\u003eRight Optical System\u003c\/strong\u003e\n      \u003cspan\u003e2 PIR sensors, narrow viewing sector, up to 49 ft detection range — independently adjustable\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- ELSA ALGORITHM --\u003e\n  \u003cdiv class=\"prod-elsa\"\u003e\n    \u003cdiv class=\"prod-elsa-icon\"\u003e🧠\u003c\/div\u003e\n    \u003cdiv class=\"prod-elsa-body\"\u003e\n      \u003cstrong\u003eELSA — Ajax's Dual-Sensor Verification Algorithm\u003c\/strong\u003e\n      \u003cp\u003eELSA (Enhanced Level Signal Algorithm) requires \u003cstrong\u003eboth PIR sensors in the same optical system to simultaneously detect human motion\u003c\/strong\u003e before raising an alarm. It then analyzes signal similarity and spectral patterns between the two sensors to confirm the detection is a person — not thermal interference, wind, or an animal. \u003cstrong\u003eELSA reaches its verdict in under one second\u003c\/strong\u003e — fast enough to catch any intruder, precise enough to ignore everything else.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- NEAR AREA DETECTION --\u003e\n  \u003cdiv class=\"prod-near\"\u003e\n    \u003ch4\u003e🎯 Patented: Near Area Detection\u003c\/h4\u003e\n    \u003cp\u003eStandard curtain detectors have a blind spot directly in front of the device — an intruder who crawls close to the wall can pass undetected. DualCurtain Outdoor eliminates this with \u003cstrong\u003eNear Area Detection\u003c\/strong\u003e: the upper PIR sensor gains an additional narrow viewing sector angled 40° downward, covering the zone immediately in front of the detector's body. \u003cstrong\u003eThis technology is patented by Ajax Systems\u003c\/strong\u003e and is unique to the DualCurtain Outdoor.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FEATURES --\u003e\n  \u003cp class=\"prod-label\"\u003eFeatures\u003c\/p\u003e\n  \u003cp class=\"prod-title\"\u003eProfessional-Grade Perimeter Protection\u003c\/p\u003e\n\n  \u003cdiv class=\"prod-features\"\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🔎\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eDual Independent Optical Systems\u003c\/strong\u003eTwo curtain detectors in one housing — each side configurable independently for range and sensitivity\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🧠\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eELSA Algorithm\u003c\/strong\u003eBoth PIR sensors in each system must simultaneously confirm human motion — near-zero false alarms\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🎯\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eNear Area Detection (Patented)\u003c\/strong\u003eEliminates the blind spot directly in front of the detector — the gap that all other curtain detectors have\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🌧\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eIP54 Weatherproof\u003c\/strong\u003eSealed against dust and rain — rated for year-round outdoor installation in the Pacific Northwest\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🐕\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003ePet Immunity\u003c\/strong\u003eIgnores animals up to 2.6 ft tall — configure independently per optical system\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🌙\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eTemperature Compensation\u003c\/strong\u003eContinuously calibrates PIR sensitivity to maintain accurate detection even in summer heat\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e🚫\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eAdvanced Anti-Masking\u003c\/strong\u003eSensors detect obstacles, paint, and tape over the lenses — cannot be silently disabled even when the system is disarmed\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-feature-item\"\u003e\n      \u003cspan class=\"fi-icon\"\u003e⚡\u003c\/span\u003e\n      \u003cspan\u003e\u003cstrong\u003eJeweller Protocol\u003c\/strong\u003eAES-encrypted two-way communication — up to 1,700 ft range to hub in open space\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"prod-divider\"\u003e\n\n  \u003c!-- STATS --\u003e\n  \u003cdiv class=\"prod-stat-row\"\u003e\n    \u003cdiv class=\"prod-stat\"\u003e\n      \u003cspan class=\"stat-num\"\u003e98ft\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003eTotal Coverage\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-stat\"\u003e\n      \u003cspan class=\"stat-num\"\u003e2-Way\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003eBidirectional\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-stat\"\u003e\n      \u003cspan class=\"stat-num\"\u003eIP54\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003eWeatherproof\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-stat\"\u003e\n      \u003cspan class=\"stat-num\"\u003e4yr\u003c\/span\u003e\n      \u003cspan class=\"stat-label\"\u003eBattery Life\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY UPGRADE FROM CURTAIN OUTDOOR --\u003e\n  \u003cp class=\"prod-label\"\u003eChoosing the Right Detector\u003c\/p\u003e\n  \u003cp class=\"prod-title\"\u003eDualCurtain vs. Curtain Outdoor\u003c\/p\u003e\n\n  \u003cdiv class=\"prod-upgrade\"\u003e\n    \u003ch4\u003e🔎 Which One Do You Need?\u003c\/h4\u003e\n    \u003cdiv class=\"prod-upgrade-row\"\u003e\n      \u003cdiv class=\"prod-upgrade-col\"\u003e\n        \u003cstrong\u003eCurtain Outdoor — $289\u003c\/strong\u003e\n        \u003cul\u003e\n          \u003cli\u003eOne optical system, one direction\u003c\/li\u003e\n          \u003cli\u003ePIR + K-band microwave dual tech\u003c\/li\u003e\n          \u003cli\u003eUp to 39 ft range\u003c\/li\u003e\n          \u003cli\u003eBest for: single doorways, gates, windows\u003c\/li\u003e\n          \u003cli\u003e3-year battery\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"prod-upgrade-col\"\u003e\n        \u003cstrong\u003eDualCurtain Outdoor — $349\u003c\/strong\u003e\n        \u003cul\u003e\n          \u003cli\u003eTwo optical systems, two directions\u003c\/li\u003e\n          \u003cli\u003e4 PIR sensors total, ELSA algorithm\u003c\/li\u003e\n          \u003cli\u003eUp to 49 ft each side (98 ft total)\u003c\/li\u003e\n          \u003cli\u003eBest for: corners, fence lines, wide coverage\u003c\/li\u003e\n          \u003cli\u003e4-year battery + Near Area Detection\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003chr class=\"prod-divider\"\u003e\n\n  \u003c!-- USE CASES --\u003e\n  \u003cp class=\"prod-label\"\u003eUse Cases\u003c\/p\u003e\n  \u003cp class=\"prod-title\"\u003eWhere to Deploy It\u003c\/p\u003e\n\n  \u003cdiv class=\"prod-ideal\"\u003e\n    \u003cdiv class=\"prod-ideal-pill\"\u003e🥊 Fence line corners\u003c\/div\u003e\n    \u003cdiv class=\"prod-ideal-pill\"\u003e🏛 Building perimeter corners\u003c\/div\u003e\n    \u003cdiv class=\"prod-ideal-pill\"\u003e🚗 Wide driveway coverage\u003c\/div\u003e\n    \u003cdiv class=\"prod-ideal-pill\"\u003e🏠 Gate \u0026amp; entry point coverage\u003c\/div\u003e\n    \u003cdiv class=\"prod-ideal-pill\"\u003e🐕 Pet-friendly outdoor zones\u003c\/div\u003e\n    \u003cdiv class=\"prod-ideal-pill\"\u003e🏛 Commercial exterior perimeters\u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY AJAX BANNER --\u003e\n  \u003ca href=\"https:\/\/shop.rivastechgroup.com\/pages\/why-ajax-systems\" class=\"prod-ajax-banner\"\u003e\n    \u003cdiv class=\"prod-ajax-banner-icon\"\u003e⚡\u003c\/div\u003e\n    \u003cdiv class=\"prod-ajax-banner-text\"\u003e\n      \u003cstrong\u003eWhy Ajax Systems?\u003c\/strong\u003e\n      \u003cspan\u003eLearn about the technology behind every product we sell →\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"prod-ajax-banner-arrow\"\u003e→\u003c\/div\u003e\n  \u003c\/a\u003e\n\n\u003c\/div\u003e","brand":"Ajax Systems","offers":[{"title":"White","offer_id":44842244112438,"sku":null,"price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0731\/5144\/7094\/files\/DualCurtainOutdoor3.jpg?v=1771538721","url":"https:\/\/shop.rivastechgroup.com\/products\/ajax-dualcurtain-outdoor-jeweller","provider":"Rivas Technology Group","version":"1.0","type":"link"}