{"product_id":"dahua-hy-sa21a-w2-wireless-photoelectric-smoke-alarm-85-db-868-mhz","title":"Dahua HY-SA21A-W2 Wireless Photoelectric Smoke Alarm, 85 dB, 868 MHz","description":"\u003cp\u003eThe Dahua HY-SA21A-W2 is a ceiling-mounted wireless smoke alarm that also reports to a Dahua AirShield alarm hub. It combines a photoelectric smoke sensor, an 85-90 dB(A) siren with light alarm, a single test and silence button and two-way 868 MHz radio with up to 1,000 m range. It suits homes, offices and shops that want fire warnings on the same app as their intrusion alarm.\u003c\/p\u003e\n\u003ch3\u003eMain Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePhotoelectric smoke sensor, 10 s sampling\u003c\/li\u003e\n\u003cli\u003eSound and light alarm, 85-90 dB(A) at 3 m\u003c\/li\u003e\n\u003cli\u003eTest and silence in one button (about 12 min silence)\u003c\/li\u003e\n\u003cli\u003eCovers 20-40 m² under ceilings up to 8 m\u003c\/li\u003e\n\u003cli\u003eTwo-way 868 MHz radio, up to 1,000 m open space, AES128\u003c\/li\u003e\n\u003cli\u003eBattery: replaceable CR123A, 3 years; low-battery warning\u003c\/li\u003e\n\u003cli\u003eCeiling mount, Ø98 x 43.1 mm, 140 g\u003c\/li\u003e\n\u003cli\u003eEN 14604 certified (TÜV and CE)\u003c\/li\u003e\n\u003cli\u003eIndoor, -10 °C to +55 °C\u003c\/li\u003e\n\u003cli\u003eIdeal for adding smoke detection to a Dahua wireless alarm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dahua","offers":[{"title":"Default Title","offer_id":52952256610535,"sku":"DHI-HY-SA21A-W2(868)","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/8003\/2487\/files\/dahua-hy-sa21a-w2-wireless-photoelectric-smoke-alarm-85-db-8-1.jpg?v=1793383742","url":"https:\/\/www.ndxcomputer.com\/products\/dahua-hy-sa21a-w2-wireless-photoelectric-smoke-alarm-85-db-868-mhz","provider":"NDX Computer","version":"1.0","type":"link"}