{"product_id":"dahua-ard821-w2-868-wireless-panic-button-393723","title":"Dahua ARD821-W2(868) Wireless Panic Button","description":"\u003cp\u003e\u003cstrong\u003eDahua ARD821-W2(868) Wireless Panic Button\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe Dahua ARD821-W2(868) is a wireless panic button designed to provide immediate emergency alarm activation within Dahua AirShield wireless security systems. With a single press, users can instantly trigger an alarm and notify designated responders, making it ideal for personal safety, medical assistance requests, and emergency security situations.\u003c\/p\u003e\n\n\u003cp\u003eIts compact and portable design allows it to be carried as a pendant, worn on a lanyard, or mounted in a fixed location for quick access. Featuring secure two-way wireless communication, AES128 encryption, and long battery life, the panic button delivers dependable emergency signalling in residential, commercial, healthcare, and assisted-living environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eOne-touch emergency alarm activation\u003c\/li\u003e\n\t\u003cli\u003eCompatible with Dahua AirShield wireless alarm systems\u003c\/li\u003e\n\t\u003cli\u003eTwo-way wireless communication\u003c\/li\u003e\n\t\u003cli\u003eAES128 encrypted transmission\u003c\/li\u003e\n\t\u003cli\u003eFrequency hopping technology for enhanced reliability\u003c\/li\u003e\n\t\u003cli\u003ePortable and lightweight design\u003c\/li\u003e\n\t\u003cli\u003eWearable as a pendant or lanyard\u003c\/li\u003e\n\t\u003cli\u003eWall-mountable installation option\u003c\/li\u003e\n\t\u003cli\u003eLED status indication\u003c\/li\u003e\n\t\u003cli\u003eSignal strength monitoring\u003c\/li\u003e\n\t\u003cli\u003eLow battery notification\u003c\/li\u003e\n\t\u003cli\u003eCloud firmware updates via compatible alarm hub\u003c\/li\u003e\n\t\u003cli\u003eWater-resistant design for everyday use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct Type: \u003c\/strong\u003eWireless Panic Button\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFunction: \u003c\/strong\u003eEmergency Alarm Trigger\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWireless Frequency: \u003c\/strong\u003e868.0 MHz – 868.6 MHz\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommunication Type: \u003c\/strong\u003eTwo-Way RF Communication\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommunication Range: \u003c\/strong\u003eUp to 1,400m (Open Space)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEncryption: \u003c\/strong\u003eAES128\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequency Hopping: \u003c\/strong\u003eYes\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eStatus Indicator: \u003c\/strong\u003eLED Indicator\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBattery Type: \u003c\/strong\u003eCR2032 Lithium Battery\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBattery Life: \u003c\/strong\u003eUp to 5 Years\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLow Battery Detection: \u003c\/strong\u003eYes\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSignal Strength Detection: \u003c\/strong\u003eYes\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTamper Protection: \u003c\/strong\u003eYes\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInstallation Options: \u003c\/strong\u003ePortable, Pendant, Wall Mount\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOperating Temperature: \u003c\/strong\u003e-10°C to +55°C\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOperating Humidity: \u003c\/strong\u003eUp to 95% RH (Non-Condensing)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDimensions: \u003c\/strong\u003eApproximately 55 × 36 × 16.2mm\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003eApproximately 25g\u003c\/p\u003e\n","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":53094019105135,"sku":"1.0.01.19.10619","price":330.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/1-0-01-19-10619-security-accessories-1243125654.jpg?v=1780907987","url":"https:\/\/www.firstshop.co.za\/products\/dahua-ard821-w2-868-wireless-panic-button-393723","provider":"FirstShop","version":"1.0","type":"link"}