{"product_id":"homeguard-dual-smoke-carbon-monoxide-alarm-compact-battery-powered-co-alert","title":"HomeGuard Dual Smoke \u0026 Carbon Monoxide Alarm — Compact Battery Powered CO Alert","description":"\u003cdiv\u003e\u003carticle\u003e\n\u003cp\u003eThis compact, self-contained safety unit monitors your living space for both airborne fire hazards and invisible carbon monoxide leaks. Powered entirely by three standard AA cells, it eliminates the need for electrical wiring while delivering continuous atmospheric screening.\u003c\/p\u003e \u003ch2\u003eCore Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUnified sensor technology identifies particulate smoke and toxic gas concentration within a single chassis.\u003c\/li\u003e\n\u003cli\u003eMinimalist mounting footprint measures precisely 10 by 4 centimeters, allowing unobtrusive placement in hallways, bedrooms, or utility rooms.\u003c\/li\u003e\n\u003cli\u003eEighty-five decibel acoustic warning cuts through ambient noise when triggered from a one-meter distance.\u003c\/li\u003e\n\u003cli\u003eFour-position numerical readout updates continuously to display real-time carbon monoxide concentration.\u003c\/li\u003e\n\u003cli\u003eStatus illumination follows a clear protocol: steady green signals routine monitoring, whereas rapid red flashing syncs with active hazard alerts.\u003c\/li\u003e\n\u003cli\u003eBuilt-in diagnostics issue a thirty-second interval chirp alongside an Lb reading when cell voltage depletes, and switch to an Err warning if internal circuitry malfunctions.\u003c\/li\u003e\n\u003cli\u003ePower management prioritizes longevity, consuming roughly 0.3 milliwatts during idle operation, holding standby drain below 50 microamperes, and limiting peak draw to under 50 milliamps during alarm events.\u003c\/li\u003e\n\u003cli\u003eDedicated push-button interface streamlines routine verification and manually clears residual warnings following exposure clearance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eResponse Behavior \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cp\u003eWarning activation speed scales directly with environmental toxicity. At fifty parts per million, the sensing matrix requires approximately sixty to ninety minutes before triggering the alert. That threshold contracts to ten or forty minutes when measurements reach one hundred parts per million, and achieves maximum responsiveness within three minutes if concentrations spike to three hundred parts per million. During everyday cycles, the status indicator blinks gently once per half minute. Once gas presence is confirmed, the visual pulse transitions into a synchronized rhythm alongside the audible signal: four concise tones followed by a five-second quiet period, repeating endlessly until proper ventilation reduces readings or the manual override switches the circuit back to standby.\u003c\/p\u003e \u003cp\u003eSchedule regular system checks using the integrated control switch to confirm sensor responsiveness, and swap out the power cells immediately once the low-voltage prompt appears. The straightforward bracket assembly and clean interface make ongoing residential safety management straightforward.\u003c\/p\u003e\n\u003c\/article\u003e\u003c\/div\u003e","brand":"\\desfino","offers":[{"title":"Default Title","offer_id":48247900078338,"sku":"48247900078338","price":23.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0815\/1207\/1426\/files\/Captura-de-pantalla-2019-09-20-a-las-16.17.41-404x400.png?v=1785758707","url":"https:\/\/desfino.com\/products\/homeguard-dual-smoke-carbon-monoxide-alarm-compact-battery-powered-co-alert","provider":"desfino","version":"1.0","type":"link"}