{"product_id":"dahua-dual-tech-motion-detector-ard2231-w2-b","title":"Dahua Dual-Tech Motion Detector ARD2231-W2 (B)","description":"\u003cstyle\u003e\n.dahua-product *{\n    font-family: Arial, sans-serif;\n}\n\n.dahua-product{\n    color:#444;\n}\n\n\/* Main Heading *\/\n.dahua-product h2{\n    background:linear-gradient(135deg,#1f1f1f,#383838);\n    color:#fff;\n    padding:14px 20px;\n    border-radius:10px;\n    margin-top:35px;\n    font-size:26px;\n    letter-spacing:0.5px;\n}\n\n\/* Sub Heading *\/\n.dahua-product h3{\n    color:#a94442;\n    margin-bottom:8px;\n}\n\n\/* Paragraph *\/\n.dahua-product p{\n    line-height:1.8;\n    color:#555;\n}\n\n\/* Feature Cards *\/\n.feature-box{\n    background:#fafafa;\n    border-left:5px solid #c96a6a;\n    padding:18px 22px;\n    margin-bottom:18px;\n    border-radius:12px;\n    transition:all .3s ease;\n    box-shadow:0 2px 8px rgba(0,0,0,.06);\n}\n\n.feature-box:hover{\n    transform:translateY(-4px);\n    box-shadow:0 8px 20px rgba(0,0,0,.12);\n}\n\n\/* Specification Table *\/\n.spec-table{\n    width:100%;\n    border-collapse:collapse;\n    margin-top:20px;\n    border-radius:12px;\n    overflow:hidden;\n}\n\n.spec-table th{\n    background:#2c2c2c;\n    color:white;\n    padding:14px;\n    font-weight:600;\n}\n\n.spec-table td{\n    padding:14px;\n    border:1px solid #ececec;\n}\n\n.spec-table tr:nth-child(even){\n    background:#f8f8f8;\n}\n\n.spec-table tr:hover{\n    background:#fff4f4;\n}\n\n\/* List Style *\/\n.dahua-product ul{\n    padding-left:20px;\n}\n\n.dahua-product li{\n    margin-bottom:12px;\n}\n\n\/* Mobile Responsive *\/\n@media(max-width:768px){\n\n.dahua-product h2{\n    font-size:22px;\n    padding:12px 16px;\n}\n\n.feature-box{\n    padding:15px;\n}\n\n.spec-table th,\n.spec-table td{\n    padding:10px;\n    font-size:14px;\n}\n\n}\n\u003c\/style\u003e\n\u003cdiv class=\"dahua-product\"\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDahua ARD2231-W2 Dual-Tech Motion Detector\u003c\/strong\u003e is an advanced wireless detector that combines passive infrared (PIR) and microwave technologies to provide highly reliable indoor intrusion detection. By using dual verification, the detector significantly reduces false alarms caused by environmental disturbances, making it ideal for residential and commercial security applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFeaturing pet immunity, digital temperature compensation, three-level sensitivity adjustment, and anti-masking technology, the ARD2231-W2 delivers accurate motion detection even under challenging environmental conditions. Two-way wireless communication, AES128 encryption, and frequency hopping technology ensure stable and secure communication with the Dahua alarm hub.\n\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Dual-technology detection using PIR and Microwave sensors\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Detection range up to 12 m with 90° coverage\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Pet immunity up to 18 kg\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Anti-masking function for enhanced protection\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Automatic temperature compensation\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Three-level sensitivity adjustment\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ White light resistance up to 2,000 lux\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Signal strength detection\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Two-way wireless communication\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ AES128 encryption\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Frequency hopping technology\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Cloud firmware upgrade and automatic recovery\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Tamper alarm and low battery detection\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Battery life up to 4 years\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy Choose Dahua ARD2231-W2?\u003c\/h2\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eDual Verification Technology\u003c\/h3\u003e\n\u003cp\u003e\nThe combination of PIR and microwave detection improves accuracy and minimizes false alarms caused by environmental factors.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003ePet-Friendly Operation\u003c\/h3\u003e\n\u003cp\u003e\nPet immunity up to 18 kg helps prevent unnecessary alarms caused by small animals.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eEnhanced Security\u003c\/h3\u003e\n\u003cp\u003e\nAnti-masking technology detects attempts to block the sensor and ensures continuous protection.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eReliable Wireless Communication\u003c\/h3\u003e\n\u003cp\u003e\nAES128 encryption and frequency hopping technology provide secure and stable communication with the alarm hub.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eLong Battery Life\u003c\/h3\u003e\n\u003cp\u003e\nThe CR123A battery provides up to four years of operation, reducing maintenance requirements.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable class=\"spec-table\"\u003e\n\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWireless Dual-Tech Motion Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eDetection Technology\u003c\/td\u003e\n\u003ctd\u003ePIR + Microwave\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003e12 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eDetection Angle\u003c\/td\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eInstallation Height\u003c\/td\u003e\n\u003ctd\u003e2.2 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eDetection Speed\u003c\/td\u003e\n\u003ctd\u003e0.3 m\/s to 3 m\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePet Immunity\u003c\/td\u003e\n\u003ctd\u003eUp to 18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eWhite Light Immunity\u003c\/td\u003e\n\u003ctd\u003e2,000 lux\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSensitivity Adjustment\u003c\/td\u003e\n\u003ctd\u003e3 Levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAnti-Masking\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eTest Mode\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSignal Strength Detection\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCommunication Mechanism\u003c\/td\u003e\n\u003ctd\u003eTwo-Way Wireless Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEncryption Mode\u003c\/td\u003e\n\u003ctd\u003eAES128\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFrequency Hopping\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eWireless Frequency\u003c\/td\u003e\n\u003ctd\u003e433.1 MHz – 434.6 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eTransmission Power\u003c\/td\u003e\n\u003ctd\u003eUp to 10 mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCommunication Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 1,200 m (Open Area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e1 × CR123A Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003eUp to 4 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e10%–90% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eWall Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCasing Material\u003c\/td\u003e\n\u003ctd\u003ePC + ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏠 Homes and Apartments\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏢 Offices and Commercial Buildings\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏬 Retail Stores and Shopping Centers\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏦 Banks and Financial Institutions\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏨 Hotels and Hospitality Facilities\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏫 Schools and Educational Institutions\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🏭 Warehouses and Industrial Facilities\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n","brand":"Dahua Technology","offers":[{"title":"Default Title","offer_id":55263288820003,"sku":null,"price":5040.64,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4125\/3411\/files\/dahua_ard1233_w2_draadloze_bewegingsmelder_pir_zwart_ed2747e2-3720-49e0-b19e-90b95681e869.jpg?v=1781933094","url":"https:\/\/attendancemachine.in\/products\/dahua-dual-tech-motion-detector-ard2231-w2-b","provider":"Attendance Machine","version":"1.0","type":"link"}