{"product_id":"dahua-airshield-dhi-hy-sa21a-w2868-draadloze-rookmelder","title":"Dahua DHI-HY-SA21A-W2(868) Wireless Smoke Detector","description":"\u003cp\u003e\u003cstrong\u003eDHI-HY-SA21A-W2(868) Wireless smoke detector\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cp\u003eThe Dahua wireless smoke detector offers battery-powered smoke detection and alarm functions within one unit. Advanced electronics in combination with a photoelectric smoke detection chamber ensure early detection of smoke and high immunity against false alarms. This type of smoke detector does not require a mains power supply and is suitable for general residential applications. Timely notification from the smoke detector can be displayed on the DMSS app in real time.\u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cstrong\u003eWorking Principle\u003c\/strong\u003e\u003c\/li\u003e\r\n\u003cli\u003eCollection Type - Smoke\u003c\/li\u003e\r\n\u003cli\u003eSampling Period - 10 s\u003c\/li\u003e\r\n\u003cli\u003eSensor Type - Photoelectric\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAlarm\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003cli\u003eAlarm Type - Smoke alarm, fault alarm, low battery warning\u003c\/li\u003e\r\n\u003cli\u003eAlarm Volume - 85dB–90dB(A) at 3 m (9.84 ft)\u003c\/li\u003e\r\n\u003cli\u003eAlarm Mode - Visual and audible alarm\u003c\/li\u003e\r\n\u003cli\u003eSilence Function - Yes\u003c\/li\u003e\r\n\u003cli\u003eSilence Duration - About 12 min\u003c\/li\u003e\r\n\u003cli\u003eAlarm Response - Threshold 0.2 dB\/m - 0.3 dB\/m\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eBasic Parameters\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003cli\u003eIndicator Light - Red and green LED indicator\u003c\/li\u003e\r\n\u003cli\u003eLED Instructions -\u003cbr\u003eStandby: Green indicator flashes once per\u003cbr\u003eminute\u003cbr\u003eAlarm: Red indicator flashes once per second\u003cbr\u003eFault: Red indicator flashes once per minute\u003cbr\u003eLow battery warning: Red indicator flashes\u003cbr\u003eonce per minute\u003c\/li\u003e\r\n\u003cli\u003eCoverage Area -When the height of the space is less than 8m (3.28 ft), the protection area of a device is 20 m2 –40 m2\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003cli\u003eBattery Life - 3 years\u003c\/li\u003e\r\n\u003cli\u003eOperating Voltage - 3V CR123A lithium battery (replaceable)\u003c\/li\u003e\r\n\u003cli\u003eOperating Current - Monitoring current: ≤ 35uA Alarm current: ≤ 35mA\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOperating Ambient\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003cli\u003eOperating Environment - Indoor\u003c\/li\u003e\r\n\u003cli\u003eOperating Temperature - -10°C to +55°C (+14°F to +131°F)\u003c\/li\u003e\r\n\u003cli\u003eOperating Humidity - ≤ 95% RH (non-condensing)\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAppearance\u003c\/strong\u003e\n\u003c\/li\u003e\r\n\u003cli\u003eColor - White\u003c\/li\u003e\r\n\u003cli\u003eCasing - ABS\u003c\/li\u003e\r\n\u003cli\u003eDimensions - φ98mm × H43.1mm (φ3.85\" × H1.70\")\u003c\/li\u003e\r\n\u003cli\u003eWeight - 140g (0.30lb)\u003c\/li\u003e\r\n\u003cli\u003eInstallation - Ceiling Mount\u003c\/li\u003e\r\n\u003c\/ul\u003e","brand":"Dahua","offers":[{"title":"DHI-HY-SA21A-W2(868) smoke detector","offer_id":51624106426689,"sku":"DHI-HY-SA21A-W2(868)","price":74.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/8860\/2689\/files\/dahua-dahua-airshield-dhi-hy-sa21a-w2868-draadloze-rookmelder-36595920994537.png?v=1778592872","url":"https:\/\/www.alarma-total.es\/en\/products\/dahua-dhi-hy-sa21a-w2868-wireless-smoke-detector","provider":"Alarma-Total.es","version":"1.0","type":"link"}