{"product_id":"dahua-airshield-dhi-ard912-w2-wireless-water-leak-detector-433-mhz-aes128-ipx5","title":"Dahua AirShield DHI-ARD912-W2 Wireless Water Leak Detector – 433 MHz, AES128, IPX5","description":"\u003cp\u003eThe \u003cstrong\u003eDahua AirShield DHI-ARD912-W2 Wireless Water Leak Detector\u003c\/strong\u003e is a compact indoor wireless leak sensor designed to detect water leaks around pipes, baths, sinks, washing machines and dishwashers. Featuring \u003cstrong\u003e433.1–434.6 MHz two-way wireless communication, AES128 encryption, frequency hopping, adjustable sensitivity, low-battery detection and IPX5 protection\u003c\/strong\u003e, the DHI-ARD912-W2 provides an easy-to-install, wire-free solution for water leak monitoring in compatible Dahua wireless alarm systems.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/2838\/6287\/files\/DHI-ARD912-W2_3.png?v=1790219530\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for early detection of unwanted water, the DHI-ARD912-W2 can trigger an alarm and enable timely event notifications through the connected alarm system. Its wireless design eliminates the need to run signal cabling to the detector, making it practical for residential and commercial indoor applications where leaks could otherwise remain unnoticed.\u003c\/p\u003e\n\u003cp\u003eReliable wireless communication is supported through frequency-hopping technology and two-way communication. The detector also supports jamming detection and AES128 communication encryption, helping maintain secure and stable wireless connectivity.\u003c\/p\u003e\n\u003cp\u003eThe DHI-ARD912-W2 supports adjustable detection sensitivity, allowing the detector to be configured according to the installation environment. Dahua also specifies temperature display and overheating alarm functionality for this model.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/2838\/6287\/files\/DHI-ARD912-W2_2.png?v=1790219530\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eMain Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWireless indoor water leak detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for pipes, baths, sinks, washing machines and dishwashers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e433.1 MHz–434.6 MHz wireless carrier frequency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 800 m wireless communication distance in open space\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo-way wireless communication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFrequency-hopping technology for communication stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAES128 communication encryption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eJamming detection support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdjustable water leak detection sensitivity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperature display and overheating alarm support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-battery detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCloud-based remote firmware updates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAutomatic restoration if a cloud update fails\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-status indicator for pairing, power and alarm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSingle CR123A battery operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUp to 3-year specified battery life when triggered once per day\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact PC + ABS enclosure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIPX5 protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEasy installation without signal wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCE and FCC certifications listed for this 433 MHz model\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 × Dahua DHI-ARD912-W2 Wireless Water Leak Detector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDetailed Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDahua\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWireless Water Leak Detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Part Number\u003c\/td\u003e\n\u003ctd\u003eDHI-ARD912-W2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eWater leak detector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndicator Light\u003c\/td\u003e\n\u003ctd\u003e1 × multi-status indicator for pairing, power status and alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eButton\u003c\/td\u003e\n\u003ctd\u003ePower switch button\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Update\u003c\/td\u003e\n\u003ctd\u003eCloud update\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow Battery Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTamper\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Current\u003c\/td\u003e\n\u003ctd\u003e28.5 µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Current\u003c\/td\u003e\n\u003ctd\u003e5.8 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarrier Frequency\u003c\/td\u003e\n\u003ctd\u003e433.1 MHz–434.6 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Mechanism\u003c\/td\u003e\n\u003ctd\u003eTwo-way\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 800 m (2,624.67 ft) in open space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEncryption\u003c\/td\u003e\n\u003ctd\u003eAES128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Hopping\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e1 × CR123A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003eUp to 3 years when triggered once per day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Consumption\u003c\/td\u003e\n\u003ctd\u003e144 mW\u003c\/td\u003e\n\u003c\/tr\u003e\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\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e10%–90% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e–10°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Humidity\u003c\/td\u003e\n\u003ctd\u003e10%–90% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd\u003e84.7 × 84.7 × 32.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging Dimensions\u003c\/td\u003e\n\u003ctd\u003e135 × 98 × 56 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003ePlane mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCasing Material\u003c\/td\u003e\n\u003ctd\u003ePC + ABS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIPX5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePractical Use Scenarios\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e is suitable for indoor locations where an unnoticed leak could cause damage. Typical applications include positioning the detector near plumbing and pipework, beneath or adjacent to sinks, around baths, near washing machines and beside dishwashers.\u003c\/p\u003e\n\u003cp\u003eIt can also be useful in residential properties, offices and other indoor facilities using a compatible Dahua wireless alarm system, providing an additional layer of environmental monitoring alongside conventional security detection.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/2838\/6287\/files\/DHI-ARD912-W2_1.png?v=1790219530\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch2\u003eWarranty Information\u003c\/h2\u003e\n\u003cp\u003e2 year Warranty \u003c\/p\u003e\n\u003ch2\u003eAbout Dahua\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDahua Technology\u003c\/strong\u003e develops video surveillance, security, alarm and IoT solutions for residential, commercial and enterprise applications. The AirShield wireless product range provides wireless alarm devices designed to integrate security and environmental detection into compatible Dahua alarm systems.\u003c\/p\u003e\n\u003ch2\u003eSKU\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e DHI-ARD912-W2\u003cbr\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e DHI-ARD912-W2\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Wireless Water Leak Detector\u003c\/p\u003e\n\u003ch2\u003eExcellence for the Australian and New Zealand Market\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDahua AirShield DHI-ARD912-W2 Wireless Water Leak Detector\u003c\/strong\u003e offers a compact wireless solution for indoor water leak monitoring. Its wire-free installation, adjustable sensitivity, encrypted two-way communication and battery-powered operation make it suitable for compatible security installations where early water leak detection is required.\u003c\/p\u003e\n\u003cp\u003eFor Australian and New Zealand projects, installers and purchasers should verify that the \u003cstrong\u003e433 MHz DHI-ARD912-W2 variant\u003c\/strong\u003e and the complete alarm system meet all applicable local radio, electrical, installation and regulatory requirements before deployment. Certifications and approvals can vary between regional product variants.\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is the Dahua DHI-ARD912-W2 Wireless Water Leak Detector used for?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e is designed to detect indoor water leaks around locations such as pipes, baths, sinks, washing machines and dishwashers and trigger an alarm through a compatible wireless alarm system.\u003c\/p\u003e\n\u003ch3\u003eWhat wireless frequency does the Dahua DHI-ARD912-W2 use?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e operates within the \u003cstrong\u003e433.1 MHz–434.6 MHz\u003c\/strong\u003e carrier-frequency range.\u003c\/p\u003e\n\u003ch3\u003eWhat is the wireless range of the Dahua DHI-ARD912-W2?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e supports a specified communication distance of \u003cstrong\u003eup to 800 metres (2,624.67 ft) in open space\u003c\/strong\u003e. Actual indoor range can vary because of walls, building materials, interference and installation conditions.\u003c\/p\u003e\n\u003ch3\u003eDoes the Dahua DHI-ARD912-W2 support encrypted wireless communication?\u003c\/h3\u003e\n\u003cp\u003eYes. The \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e uses \u003cstrong\u003eAES128 encryption\u003c\/strong\u003e and supports two-way wireless communication, frequency hopping and jamming detection.\u003c\/p\u003e\n\u003ch3\u003eIs the sensitivity adjustable on the Dahua DHI-ARD912-W2?\u003c\/h3\u003e\n\u003cp\u003eYes. The water leak detection sensitivity of the \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e is adjustable.\u003c\/p\u003e\n\u003ch3\u003eWhat battery does the Dahua DHI-ARD912-W2 use?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e is powered by \u003cstrong\u003eone CR123A battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow long does the Dahua DHI-ARD912-W2 battery last?\u003c\/h3\u003e\n\u003cp\u003eDahua specifies a battery life of approximately \u003cstrong\u003e3 years when the DHI-ARD912-W2 is triggered once per day\u003c\/strong\u003e. Actual battery life can vary with operating conditions and usage.\u003c\/p\u003e\n\u003ch3\u003eDoes the Dahua DHI-ARD912-W2 require wiring?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e is designed for wireless operation and does not require signal wiring, simplifying installation in suitable indoor locations.\u003c\/p\u003e\n\u003ch3\u003eIs the Dahua DHI-ARD912-W2 water resistant?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e carries an \u003cstrong\u003eIPX5 protection rating\u003c\/strong\u003e. It is specified as an indoor detector and should be installed according to Dahua's installation instructions.\u003c\/p\u003e\n\u003ch3\u003eWhat are the dimensions of the Dahua DHI-ARD912-W2?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e measures \u003cstrong\u003e84.7 × 84.7 × 32.5 mm\u003c\/strong\u003e and has a specified net weight of approximately \u003cstrong\u003e0.1 kg\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDoes the Dahua DHI-ARD912-W2 provide low-battery detection?\u003c\/h3\u003e\n\u003cp\u003eYes. The \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e supports low-battery detection so the alarm system can indicate when battery attention is required.\u003c\/p\u003e\n\u003ch3\u003eDoes the Dahua DHI-ARD912-W2 support firmware updates?\u003c\/h3\u003e\n\u003cp\u003eYes. The \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e supports cloud updates and is specified to automatically restore if a cloud update fails.\u003c\/p\u003e\n\u003ch3\u003eWhere can the Dahua DHI-ARD912-W2 be installed?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e is intended for indoor water leak monitoring and can be used around pipes, baths, sinks, washing machines and dishwashers, subject to Dahua's installation requirements.\u003c\/p\u003e\n\u003ch3\u003eDoes the Dahua DHI-ARD912-W2 have a tamper function?\u003c\/h3\u003e\n\u003cp\u003eNo. Dahua's technical specification lists the \u003cstrong\u003eDHI-ARD912-W2\u003c\/strong\u003e tamper function as \u003cstrong\u003eNo\u003c\/strong\u003e.\u003c\/p\u003e","brand":"DAHUA","offers":[{"title":"Default Title","offer_id":50885448138991,"sku":"DHI-ARD912-W2","price":49.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2838\/6287\/files\/DHI-ARD912-W2_3.png?v=1790219530","url":"https:\/\/cctvimporters.com.au\/zh\/products\/dahua-airshield-dhi-ard912-w2-wireless-water-leak-detector-433-mhz-aes128-ipx5","provider":"CCTV Tradie","version":"1.0","type":"link"}