{"product_id":"hm2wd-1","title":"Heiman HM2WD Wireless Siren – networkable warning siren with acoustic and visual alarm","description":"\u003cp data-start=\"273\" data-end=\"601\" class=\"\"\u003eThe Heiman HM2WD is a powerful auxiliary siren for wirelessly networked smoke, CO, and heat detectors, as well as compatible remote controls. It amplifies the alarm signal throughout the building – with a loud siren and bright LED flashes – ensuring greater safety, especially in larger living areas or hard-to-reach rooms.\u003c\/p\u003e\n\u003cp data-start=\"603\" data-end=\"894\" class=\"\"\u003eThe HM2WD can also function as a repeater in the wireless network to extend the range between devices. In the event of an alarm or low battery, the siren reacts immediately. In combination with a smart gateway, the device can also be tested, muted, and monitored via app.\u003c\/p\u003e\n\u003cp data-start=\"896\" data-end=\"1141\" class=\"\"\u003e\u003cstrong data-start=\"896\" data-end=\"924\"\u003eTypical Applications\u003c\/strong\u003e\u003cbr data-start=\"924\" data-end=\"927\"\u003e– Expansion of wirelessly networked warning systems with additional acoustic\/optical alarm\u003cbr data-start=\"1012\" data-end=\"1015\"\u003e– Use in larger apartments, houses, hallways, or utility rooms\u003cbr data-start=\"1083\" data-end=\"1086\"\u003e– Integration into smart home systems with app connectivity\u003c\/p\u003e\n\u003cp data-start=\"1143\" data-end=\"1634\" class=\"\"\u003e\u003cstrong data-start=\"1143\" data-end=\"1163\"\u003eTechnical Data\u003c\/strong\u003e\u003cbr data-start=\"1163\" data-end=\"1166\"\u003e– Model: HM2WD\u003cbr data-start=\"1181\" data-end=\"1184\"\u003e– Operating voltage: AC 110–240 V\u003cbr data-start=\"1216\" data-end=\"1219\"\u003e– Backup battery: 3.7 V \/ 720 mAh, rechargeable, lasts up to 12 hours\u003cbr data-start=\"1294\" data-end=\"1297\"\u003e– Alarm volume: 95 dB at 1 m (adjustable 70–100 dB via app)\u003cbr data-start=\"1361\" data-end=\"1364\"\u003e– Alarm type: Acoustic + optical (LED flash)\u003cbr data-start=\"1407\" data-end=\"1410\"\u003e– Communication protocol: 868 MHz\u003cbr data-start=\"1444\" data-end=\"1447\"\u003e– Wireless range: ≤100 m (open field)\u003cbr data-start=\"1482\" data-end=\"1485\"\u003e– Operating temperature: -10 °C to +55 °C\u003cbr data-start=\"1524\" data-end=\"1527\"\u003e– Humidity: ≤95% RH (non-condensing)\u003cbr data-start=\"1580\" data-end=\"1583\"\u003e– Dimensions: Ø 80 mm × 32 mm (without power plug)\u003c\/p\u003e\n\u003cp data-start=\"1636\" data-end=\"2006\" class=\"\"\u003e\u003cstrong data-start=\"1636\" data-end=\"1654\"\u003eSpecial Features\u003c\/strong\u003e\u003cbr data-start=\"1654\" data-end=\"1657\"\u003e– Compatible with Heiman wireless smoke, CO, and heat detectors\u003cbr data-start=\"1723\" data-end=\"1726\"\u003e– Functions as a wireless repeater for range extension\u003cbr data-start=\"1791\" data-end=\"1794\"\u003e– Low battery warning\u003cbr data-start=\"1831\" data-end=\"1834\"\u003e– App-controlled self-test and hush mode\u003cbr data-start=\"1877\" data-end=\"1880\"\u003e– Online\/offline notification in case of connection failure (after 24–48 h)\u003cbr data-start=\"1952\" data-end=\"1955\"\u003e– Compact design for discreet socket mounting\u003c\/p\u003e","brand":"Heiman Shop Deutschland","offers":[{"title":"Default Title","offer_id":55767802511734,"sku":"SD-HE-045","price":25.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0907\/3550\/9878\/files\/HS2WD_2_2f674e2d-065b-47e6-a493-049e43d95abf.jpg?v=1749659643","url":"https:\/\/heiman.shop\/en\/products\/hm2wd-1","provider":"Heiman Shop Deutschland","version":"1.0","type":"link"}