{"product_id":"first-alert-co400-battery-powered-carbon-monoxide-alarm","title":"First Alert CO400 Battery Powered Carbon Monoxide Alarm","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe FIRST ALERT CO400 is a battery-powered carbon monoxide alarm designed for residential installation. It uses an electrochemical CO sensor to detect carbon monoxide concentrations in the air. Electrochemical sensing is widely regarded as the most accurate detection technology for CO alarms. The unit is powered by one 9-volt battery, which is included at the time of purchase. Note that some units ship with two AA batteries instead  -  the alarm model is identical regardless of battery configuration. A silence and test button, low battery warning indicator, and built-in end-of-life timer round out the core functionality. Licensed electricians, HVAC technicians, and qualified contractors typically handle code-required installations in occupied spaces.\u003c\/p\u003e\n\u003cp\u003eThe CO400 is suited for residential and light commercial applications where a self-contained, battery-operated CO alarm is required without hardwired power. It is appropriate for bedrooms, hallways near sleeping areas, and utility rooms housing gas-fired appliances such as furnaces, water heaters, and boilers. Because it requires no wiring, it can be placed quickly in locations where hardwired units are not practical. The alarm is intended for wall or ceiling mounting in standard occupied spaces.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eElectrochemical carbon monoxide sensor for accurate, reliable CO detection\u003c\/li\u003e\n  \u003cli\u003eBattery-powered operation requires no hardwired electrical connection\u003c\/li\u003e\n  \u003cli\u003e9V battery included (some units ship with 2 AA batteries  -  same model, same performance)\u003c\/li\u003e\n  \u003cli\u003eSilence and test button for functional verification and nuisance-alarm reset\u003c\/li\u003e\n  \u003cli\u003eLow battery warning alert for proactive maintenance\u003c\/li\u003e\n  \u003cli\u003eEnd-of-life timer signals when the unit requires replacement\u003c\/li\u003e\n  \u003cli\u003e5-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standalone battery-powered carbon monoxide alarm suitable for residential and light commercial spaces requiring code-compliant CO detection without hardwired power.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should follow local building codes and the manufacturer instructions included with the unit. NFPA 720 and applicable local codes govern placement requirements for CO alarms, including mounting height and proximity to sleeping areas. Power down any nearby gas appliances before conducting test procedures. Do not install in locations subject to extreme temperature, high humidity, or direct airflow from vents, as these conditions can affect sensor accuracy.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type\u003c\/strong\u003e: Electrochemical carbon monoxide sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source\u003c\/strong\u003e: 1 x 9V battery (included; some units ship with 2 AA batteries)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControls\u003c\/strong\u003e: Silence and test button\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Battery Warning\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnd-of-Life Timer\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 5-year limited\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: FIRST ALERT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: CO400\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FIRST ALERT","offers":[{"title":"Default Title","offer_id":52045930266930,"sku":"CO400","price":31.37,"currency_code":"USD","in_stock":true}],"url":"https:\/\/voomisupply.com\/products\/first-alert-co400-battery-powered-carbon-monoxide-alarm","provider":"Voomi Supply","version":"1.0","type":"link"}