{"product_id":"dahua-dhi-ard333-w2-915s-wireless-door-detector","title":"Dahua DHI-ARD333-W2(915S) Wireless Door Detector Reed Switch","description":"\u003cdiv class=\"cg-premium-alt-2\"\u003e\n\n  \u003cdiv class=\"cg-alt2-hero\"\u003e\n    \u003cdiv class=\"cg-alt2-badge\"\u003eDahua Wireless Door Detector\u003c\/div\u003e\n    \u003ch2\u003eDahua DHI-ARD333-W2(915S) Wireless Door Detector\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eDahua DHI-ARD333-W2(915S)\u003c\/strong\u003e is a wireless door detector for compatible Dahua wireless alarm systems. Designed for non-metal doors, it uses a reed switch to detect opening and closing, with secure two-way communication, AES128 encryption and up to \u003cstrong\u003e1,400m wireless range\u003c\/strong\u003e in open space.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eWhy Choose the Dahua ARD333-W2?\u003c\/h3\u003e\n\n  \u003cdiv class=\"cg-alt2-grid\"\u003e\n    \u003cdiv class=\"cg-alt2-card\"\u003e\n      \u003cstrong\u003e🚪 Door Open Detection\u003c\/strong\u003e\n      \u003cp\u003eDetects opening and closing on non-metal doors using a built-in reed switch.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cg-alt2-card\"\u003e\n      \u003cstrong\u003e📡 Up to 1,400m Range\u003c\/strong\u003e\n      \u003cp\u003eLong-range wireless communication in open space for flexible installation.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cg-alt2-card\"\u003e\n      \u003cstrong\u003e🔐 AES128 Encryption\u003c\/strong\u003e\n      \u003cp\u003eEncrypted two-way communication helps protect alarm signals.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cg-alt2-card\"\u003e\n      \u003cstrong\u003e🔋 Long Battery Life\u003c\/strong\u003e\n      \u003cp\u003eA single CR123A battery can last up to 4.1 years under Dahua test conditions.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cg-alt2-card\"\u003e\n      \u003cstrong\u003e🌡 Temperature Monitoring\u003c\/strong\u003e\n      \u003cp\u003eBuilt-in temperature monitoring supports indoor readings from -15°C to +65°C.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"cg-alt2-card\"\u003e\n      \u003cstrong\u003e🛡 Tamper Protection\u003c\/strong\u003e\n      \u003cp\u003eTamper detection helps alert the system if the detector is interfered with.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n  \u003cdiv class=\"cg-alt2-table-wrap\"\u003e\n    \u003ctable class=\"cg-alt2-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSpecification\u003c\/th\u003e\n          \u003cth\u003eDetails\u003c\/th\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eModel\u003c\/td\u003e\n          \u003ctd\u003eDHI-ARD333-W2(915S)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eProduct Type\u003c\/td\u003e\n          \u003ctd\u003eDahua Wireless Door Detector\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSensor\u003c\/td\u003e\n          \u003ctd\u003eReed switch\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eScenario\u003c\/td\u003e\n          \u003ctd\u003eNon-metal doors\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMovement Distance\u003c\/td\u003e\n          \u003ctd\u003e\u0026lt; 40mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eAlarm Input\u003c\/td\u003e\n          \u003ctd\u003e1-channel external digital input\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCarrier Frequency\u003c\/td\u003e\n          \u003ctd\u003e915.0MHz–928.0MHz\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCommunication\u003c\/td\u003e\n          \u003ctd\u003eTwo-way wireless communication\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCommunication Distance\u003c\/td\u003e\n          \u003ctd\u003eUp to 1,400m 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\u003eSignal Strength Detection\u003c\/td\u003e\n          \u003ctd\u003eYes\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\u003eYes\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTemperature Measuring Range\u003c\/td\u003e\n          \u003ctd\u003e-15°C to +65°C indoor\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003ePower Supply\u003c\/td\u003e\n          \u003ctd\u003eCR123A battery\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eBattery Life\u003c\/td\u003e\n          \u003ctd\u003eUp to 4.1 years under Dahua test conditions\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 indoor\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\u003eDimensions\u003c\/td\u003e\n          \u003ctd\u003e101.0mm × 21.0mm × 22.2mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eNet Weight\u003c\/td\u003e\n          \u003ctd\u003e48.7g\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eInstallation\u003c\/td\u003e\n          \u003ctd\u003eWall 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\u003eCertification\u003c\/td\u003e\n          \u003ctd\u003eCE\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eDownloads\u003c\/h3\u003e\n\n  \u003cdiv class=\"cg-alt2-table-wrap\"\u003e\n    \u003ctable class=\"cg-alt2-table\"\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003cth\u003eResource\u003c\/th\u003e\n          \u003cth\u003eLink\u003c\/th\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eDahua DHI-ARD333-W2(915S) Datasheet\u003c\/td\u003e\n          \u003ctd\u003e\n            \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0637\/1554\/1221\/files\/Dahua_DHI-ARD333-W2_915S__datasheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\n              Download PDF\n            \u003c\/a\u003e\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n  \u003cp\u003e\u003cstrong\u003eWhat is the Dahua DHI-ARD333-W2 used for?\u003c\/strong\u003e\u003cbr\u003e\n  It is used to detect when a non-metal door is opened or closed as part of a compatible Dahua wireless alarm system.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eIs this a 915MHz model?\u003c\/strong\u003e\u003cbr\u003e\n  Yes. The DHI-ARD333-W2(915S) uses a 915.0MHz–928.0MHz carrier frequency.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eWhat is the wireless range?\u003c\/strong\u003e\u003cbr\u003e\n  Dahua lists the communication distance as up to 1,400m in open space.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eDoes it have tamper detection?\u003c\/strong\u003e\u003cbr\u003e\n  Yes. Tamper protection is supported.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eIs it suitable for metal doors?\u003c\/strong\u003e\u003cbr\u003e\n  The datasheet lists the recommended scenario as non-metal doors.\u003c\/p\u003e\n\n  \u003cdiv class=\"cg-alt2-cta\"\u003e\n    \u003ch3\u003eSecure Doors with Dahua Wireless Alarm Protection\u003c\/h3\u003e\n    \u003cp\u003eAdd reliable door opening detection to your Dahua wireless alarm system.\u003c\/p\u003e\n    \u003ca href=\"\/collections\/dahua-alarm-systems\" class=\"cg-alt2-btn\"\u003eShop Dahua Alarm Systems\u003c\/a\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"cg-alt2-trust-strip\"\u003e\n    \u003cdiv class=\"cg-alt2-trust-item\"\u003e\u003cstrong\u003eAustralian Support\u003c\/strong\u003e\u003c\/div\u003e\n    \u003cdiv class=\"cg-alt2-trust-item\"\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e\u003c\/div\u003e\n    \u003cdiv class=\"cg-alt2-trust-item\"\u003e\u003cstrong\u003eInstaller Friendly\u003c\/strong\u003e\u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Dahua","offers":[{"title":"White","offer_id":49168264790245,"sku":"DHI-ARD333-W2(915S)","price":46.0,"currency_code":"AUD","in_stock":true},{"title":"Black","offer_id":49168264823013,"sku":"DHI-ARD333-W2(915S)-B","price":46.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/1554\/1221\/files\/dahua-dhi-ard333-w2-915s-wireless-door-detector-white.jpg?v=1779456401","url":"https:\/\/cctvguru.com.au\/products\/dahua-dhi-ard333-w2-915s-wireless-door-detector","provider":"CCTV Guru","version":"1.0","type":"link"}