{"product_id":"dahua-input-expander-module-arm320-w2","title":"Dahua Input Expander module ARM320-W2","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\n\u003cdiv class=\"dahua-product\"\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eDahua ARM320-W2 Wireless Input Expander Module\u003c\/strong\u003e is designed to integrate third-party wired detectors into Dahua AirShield wireless alarm systems. The module receives alarm signals from external devices and transmits them wirelessly to the alarm hub, allowing users to expand existing security systems without replacing wired sensors.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFeaturing two alarm inputs, auxiliary power output, two-way wireless communication, AES128 encryption, and frequency hopping technology, the ARM320-W2 ensures reliable and secure operation. Built-in movement detection, tamper protection, overheating alarm, and cloud firmware updates provide enhanced system security and easy maintenance.\n\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Converts wired detectors into wireless devices\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Supports six alarm types: Intrusion, Medical, Fire, Emergency, Gas and Tamper\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Two alarm inputs (alarm and anti-tampering)\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ 3.3 V auxiliary power output for external devices\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Built-in triaxial accelerometer for movement detection\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n✔ Overheating alarm support\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 update 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 5 years\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy Choose Dahua ARM320-W2?\u003c\/h2\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eUpgrade Existing Security Systems\u003c\/h3\u003e\n\u003cp\u003e\nIntegrate traditional wired detectors into Dahua AirShield wireless alarm systems without extensive rewiring or equipment replacement.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eReliable and Secure Communication\u003c\/h3\u003e\n\u003cp\u003e\nAES128 encryption and two-way communication provide secure signal transmission and enhanced system stability.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003eEnhanced Protection\u003c\/h3\u003e\n\u003cp\u003e\nBuilt-in movement detection and tamper alarms immediately notify users if the device is moved or interfered with.\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n\u003ch3\u003ePower for External Devices\u003c\/h3\u003e\n\u003cp\u003e\nThe integrated 3.3 V auxiliary output allows compatible third-party detectors to receive power directly from the module.\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\nThree CR123A batteries provide up to five years of operation, minimizing 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 Input Expander Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAlarm Inputs\u003c\/td\u003e\n\u003ctd\u003e2 (1 Alarm Input + 1 Tamper Input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Power Output\u003c\/td\u003e\n\u003ctd\u003e3.3 V, Up to 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSupported Alarm Types\u003c\/td\u003e\n\u003ctd\u003eIntrusion, Medical, Fire, Emergency, Gas and Tamper\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eBuilt-in Triaxial Accelerometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eLED Indicator\u003c\/td\u003e\n\u003ctd\u003e1 × Green Alarm Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eButton\u003c\/td\u003e\n\u003ctd\u003e1 × Power Button\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eRemote Upgrade\u003c\/td\u003e\n\u003ctd\u003eCloud Update\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eLow Battery Detection\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eTamper Protection\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eTemperature Monitoring Range\u003c\/td\u003e\n\u003ctd\u003e-10°C to +55°C\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 (EIRP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCommunication Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 1,300 m (Open Area)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e45 μA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eAlarm Current\u003c\/td\u003e\n\u003ctd\u003e50 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e3 × CR123A Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003eUp to 5 Years (4 Years with Pulse Input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Consumption\u003c\/td\u003e\n\u003ctd\u003e150 mW\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\u003eSurface Mount or Inside Third-Party Device\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e102 × 39 × 21.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e77 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e135 g\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\u003ctr\u003e\n\u003ctd\u003eSecurity Grade\u003c\/td\u003e\n\u003ctd\u003eEN 50131 Grade 2\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 Villas\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 Shops\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🏭 Warehouses and Industrial Sites\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🔥 Fire Alarm Integration\n\u003c\/div\u003e\n\n\u003cdiv class=\"feature-box\"\u003e\n🔄 Upgrading Existing Wired Security Systems\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Dahua Technology","offers":[{"title":"Default Title","offer_id":55263490343203,"sku":null,"price":2240.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4125\/3411\/files\/input_expander_module.jpg?v=1781939437","url":"https:\/\/attendancemachine.in\/products\/dahua-input-expander-module-arm320-w2","provider":"Attendance Machine","version":"1.0","type":"link"}