{"product_id":"ms-electronics-22206","title":"Dahua Alarm Wireless  Sensor For Smoke HY-SA21A-W2(868)","description":"\u003cul\u003e\n\t\u003cli\u003eSplit-spectrum sensor technology\u003c\/li\u003e\n\t\u003cli\u003eTest and silence features in one single button\u003c\/li\u003e\n\t\u003cli\u003eLoud sound output over 85 dB(A) at 3 meters\u003c\/li\u003e\n\t\u003cli\u003eLow quiescent current consumption\u003c\/li\u003e\n\t\u003cli\u003eSurface-mount device (SMD) circuit board design\u003c\/li\u003e\n\t\u003cli\u003eLow battery warning signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWorking Principle\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCollection Type : Smoke\u003c\/li\u003e\n\t\u003cli\u003eSampling Period : 10 s\u003c\/li\u003e\n\t\u003cli\u003eSensor Type : Photoelectric\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlarm\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eAlarm Type : Smoke alarm, fault alarm, low battery warning\u003c\/li\u003e\n\t\u003cli\u003eAlarm Volume : 85dB–90dB(A) at 3 m\u003c\/li\u003e\n\t\u003cli\u003eAlarm Mode : Visual and audible alarm\u003c\/li\u003e\n\t\u003cli\u003eSilence Function : Yes\u003c\/li\u003e\n\t\u003cli\u003eSilence Duration : About 12 min\u003c\/li\u003e\n\t\u003cli\u003eAlarm Response Threshold : 0.2 dB\/m - 0.3 dB\/m\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBasic Parameters\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eIndicator Light : Red and green LED indicator\u003c\/li\u003e\n\t\u003cli\u003eLed Instructions : Standby: Green indicator flashes once per minute \/ Alarm: Red indicator flashes once per second \/ Fault: Red indicator flashes once per minute\u003c\/li\u003e\n\t\u003cli\u003eLow battery warning: Red indicator flashes once per minute : Coverage Area\u003c\/li\u003e\n\t\u003cli\u003eWhen the height of the space is less than 8 m , the protection area of a device is 20 m2–40 m2\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePower Supply\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBattery Life : 3 year\u003c\/li\u003e\n\t\u003cli\u003eOperating Voltage : 3V CR123A lithium battery (replaceable)\u003c\/li\u003e\n\t\u003cli\u003eOperating Current : Monitoring current: ≤ 35uA \/ Alarm current: ≤ 35mA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOperating Ambient\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eOperating Environment : Indoor\u003c\/li\u003e\n\t\u003cli\u003eOperating Temperature : -10°C to +55°C\u003c\/li\u003e\n\t\u003cli\u003eOperating Humidity : ≤ 95% RH (non condensing)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAppearance\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eColor : White\u003c\/li\u003e\n\t\u003cli\u003eCasing : ABS\u003c\/li\u003e\n\t\u003cli\u003eDimensions : φ98mm × H43.1mm\u003c\/li\u003e\n\t\u003cli\u003eWeight : 140 g\u003c\/li\u003e\n\t\u003cli\u003eInstallation : Ceiling Mount\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCertifications\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCertifications : TÜV and CE listed\u003c\/li\u003e\n\t\u003cli\u003eCompliance Standard : EN 14604:2005+AC:2008\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWireless \u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eCarrier Frequency :  868 MHz–868.3 MHz\u003c\/li\u003e\n\t\u003cli\u003eCommunication Distance : Up to 1000 m  in an open space\u003c\/li\u003e\n\t\u003cli\u003eCommunication Mechanism : Two-way\u003c\/li\u003e\n\t\u003cli\u003eFrequency Hopping : Yes\u003c\/li\u003e\n\t\u003cli\u003eEncryption Mode : AES128\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MS Electronics","offers":[{"title":"Default Title","offer_id":59997421666688,"sku":"24943","price":42.74,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/0571\/6788\/files\/1_1694249270.jpg?v=1790681939","url":"https:\/\/atlantic-mall.com\/products\/ms-electronics-22206","provider":"Atlantic Shopping Mall","version":"1.0","type":"link"}